从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。并在答题卡上将该项涂黑。
1. Our teacher suggests us that watching TV at _______ most _______ hour a day during the winter holiday.
A. the; a B. a; an C.不填; a D.不填; an
2. — I hear that John has gone to Japan for a visit. Do you know it?
— He made no ________ of his journey before.
A. memory B. mention C. member D. message
3. We hope our country can _______ a way to solve the problem of Diaoyu Island.
A. catch up with B. put off C. come up with D. come out of
4. The temperature now is much higher than______of 100 years ago because of more and more greenhouse gas.
A. this B. that C. it D. one
5. Wu Bing is remembered _______ the most beautiful driver because he devoted his life _______ his work.
A. for; into B. as; to C. for; to D. as; into
6. — How much are the two pairs of trousers?
— They are not expensive. I think one hundred dollars ______ enough.
A. is B. are C. were D. was
