【题目】They’ve arrived at the flooded areas, but we don’t know ________ they got there.

【题目】— Can you explain your mistake?

【题目】Your performance in the exam isn’t that satisfactory. ______, you failed.

【题目】Don’t handle the vase as if it ____ made of steel．

【题目】The manager is now in need of a capable assistant that he can ________ to take care of problems in his absence.

【题目】Jenny was fined, because she was driving ________ she couldn’t stop at the red light.

【题目】 —I think G.E.M. is a talented singer.

【题目】________ his homework, he went to play football.

【题目】We __________back in the hotel now if you didn’t lose the map．

【题目】You don’t look well, you __________ see the doctor.