今天做练习题的时候看到一个完形填空:after __1___(hear)that,she said sorry and helped him ____2___(look)for his watch , at last they found it under a chair.我1写的是heard,2是looking答案是1 hearing, 2 look我有点不明白了,想表达“听完以后”用after+Ved...
Nowhere in nature is aluminum found free, owing to its always ______ with other elements, most commonly with oxygen.A. being combinedB. having combinedC. to combineD. combined这道题的解析是owing to后要接名词或动名词,根据题意,此处要用被动语态,所以答案为A。但...
Midway through
our two-person competition, I was starting to pull ahead. _______ I saw the
look on Carla's face. I waited for a second and a knew what I had to do. As
much as I wanted to be on the game show, Carla wanted it even more.A. StillB. NeverC. ThenD. Again答案选的是C. Then,请问stil...
...welve pigeons. Yesterday, a pigeon carried the first message from Pinhurst to Silbury. The bird covered the distance in three minutes. Up tonow, Mr.Scott has sent a great many requests for spare parts and other urgent messages from one garage to the other. In this way, he has begun his own private ...