When Jack arrived he learned Mary _______ for almost an hour.
A. had gone B. had set off C. had left D. had been away
The bikes produced in that factory are of high quality. So they ______ well both at home and abroad.
A. sell B. are sold C. may be sold D. are to be sold
It ________ my father half an hour to go to work on foot every day.
A. took B. takes C. taken D. will take
His sister since she left home in 1998.
A. had not been returned B. has not returned
C. had not returned D. returned
－Shall I look after your house while you are away?
－______.
A. If you like B. It couldn't be better. C. Of course you can. D. It's up to you.
假如你叫李华，在暑假里，王林邀请你到她海边的家里度假。其间，王林一家对你都很好，不仅陪你玩，还给你买了许多好吃的，这给你留下了深刻的印象。开学后，你为了表达谢意，给王林一家寄去了一封感谢信。
注意：1.感谢信的内容，除要求的内容外还可以适当发挥；
2.词数100左右。
参考词汇：impression印象 appreciation感激
