We should think of ways to stop the waste from the factory _____ our living environment.
A.being polluted | B.polluting | C.from being polluted | D.polluted |
Since mid July, many areas in Shaanxi continuous heavy rain, leading to frequent natural disasters.
A.saw | B.had seen | C.has seen | D.have seen |
We should keep an open mind about some strange old wives tales, they do have some truth in them.
A.and | B.so | C.because | D.until |
Only those who have experienced hardship well aware of what happiness means.
A.can they be | B.they can be | C.can be | D.they can |
—Did Alan enjoy seeing his old friends yesterday? ?
—Yes, he did.He ______ his old friends for a long time.
A.didn’t see | B.hadn’t seen |
C.hasn’t seen | D.wouldn’t see |
It was ten years _______ he returned to his hometown and set out to revenge his dead father.
A.since | B.that | C. before | D. when |