3D printing services are coming into American people’s life. The UPS Store is a nationwide retailer (零售商) that provides copying and other services. The UPS Store recently put 3D printers in three of its independently-owned stores. Burke Jones owns one of the stores in San Diego.“The demand...
It is ( ) since I ( )to collect stamps. Now I have owned thousands of stamps.A.three years , beganB. two years ago,beganC. three years,have begun本题答案为A，我想请问C为啥错。还有一个类似题It ( )three months since he came to our schoolA.isB has been答案给...
(1) because it means we have the chance to obtain information about how
the moon ____ (construct) (2020年全国I)(2) After a three-year pilot period, the GPNP will be officially set up
next year. The GPNP ____ (design)
to reflect the guiding principle of "protecting the authenticity and
integrity...
Since adults know how to place the key in the slot, which is the ultimate purpose of approaching the slot. 请教老师，which的先行词或句子是谁？which可以指代状语从句吗？比如本句中which是否指代“Since adults know how to place the key in the slot”？谢谢...
比如如下情景，我去餐馆吃饭. 在餐馆里，服务员问我是否有预定:1) Do you have a reservation?2) Have you made a reservation?3) Did you make a reservation?4) Have you had a reservation?上面的1) 2)两句，是书上的，而3) 4)两句是我自己写的。因为我自己是...
各位老师，咨询一下高亮句子应该用什么时态。The Future Library is a project by the artist Katie Paterson. It began with the cutting down of trees in a forest north of Oslo, Norway, in 201 4. The Future Library Trust___used_____wood from these trees to build a special room-the Sile...
...alth, the teenage idol has been working with the UN health agency in China since 2017 on promoting healthy lifestyles among young people. He has also been working through his fund since 2017 to support disadvantaged children.请问该句中 a WHO China special envoy中的China是否应该用Chinese?
When I last saw him，he'd been running and was out of breath.
这句话的逗号后半句很令我困惑。他当时正在跑步并喘着气，这是两件同时进行的事情，喘气也随着跑步而持续进行着。
所以我觉得应该写成，he had been running and（been） out of brea...
...:the socialist market economy carried out in China，又给他加上连词since成为Since the socialist market economy carried out in China,
这样的句子和给它中间加was构成被动句，哪个更好？老师会不会认为反而觉得我忘了加油was呢
If you’re bored, it’s probably because you’re not challenging yourself to tackle the problems right under your nose.句中you’re not challenging的进行时态，是视作将来时态，还是进行时态？这样的句型如何甄别它们？
Your mother has been caring for you even since
before you were born. She wants you to go and chase your dreams. That is all
any mother ever wants. But she is scared that you will make a mistake, do
something you'll regret. She won't be able to protect you.1.这里since before
you were born是个什...
您好，请教一下下面这个题目。背景是描述贾玲的电影《热辣滚烫》。The movie is about a woman called Du Leying who still lives with her
parents in her 30s until one day, she ___23___ a boxing coach who may just
change her life.( ) 23. A. was meetingB. is meeting C. me...