单选题 I can never forget the days _____ my family and I spent together in travelling.

单选题 The tall building _____ last month will be our new classroom building.

单选题 The child _____ parents are talking with the teacher is playing with his new toy.

单选题 I _____ down the name of the book that he was talking about.

单选题 Mr. Johnson, I am calling to _____ the rooms you reserved for tomorrow.

单选题 The issue _____ at the meeting now is very serious.

单选题 Sorry, we don't have any double room _____ since it is peak season now.

单选题 _____ hard I pushed, the door stayed closed.