—What happened to Tom?—He was crossing the street_____a motorbike hit him from behind.
A: while
B: when
C: until
D: because
A: while
B: when
C: until
D: because
举一反三
- I happened ______ with him when he was hit by a stone. A: I was talking B: B. talking C: to talk D: D. to be talking
- ______ when the traffic accident took place. A: He happened to be passing by B: It so happened to him to be passing by C: It so happened for him to be passing by D: He happened that he was passing by
- Tom was fired from his company _____ he was not qualified for the position. A: while B: if C: because D: although
- The speaker was walking along a dark street late one evening when he heard ________ coming from behind some bushes. He realized
- ____do you think ______last night? A: What; he happened B: That; did he happen C: What; happened to him D: Which; he happened