...larly in our food supply. You probably 56 (use) caffeine since childhood. Caffeine 57 (be) in your first Coke. If you ever enjoyed a chocolate bar, you ate caffeine. 第一个空问题不大, have used 和 have been using 都可以。第二个空很...
... myself为自己写The idea of becoming a writer had come to me off and on since my childhood in Belleville, but it wasn't until my third year in high school that possibility took hold.自从在贝尔维尔我的童年起,成为一个作家的想法有时在我脑海中出现,但是直到高...
...装句式中,谓语动词的时间与前一句通常是一致的,因此时态也通常一致。例如:My
car isn´t very old and neither / nor is my wife´s (car).Mary
doesn´t like it and neither / nor do the children.We
won´t go and neither / nor will they.I
didn´t eat it. and neither / no...
...
I’d gone to London这里为什么要用完成态,而不用一般过去时态?I
was ready to get up and go when the man suddenly pushed back his chair, stood
up and hurried out of the buffet. I felt very relieved and decided to wait two
or three minutes before going myself.2.
myself这里什...