Ⅰ . 语法、词汇。用适当的词填空。从 A 、 B 、 C 、 D 四个选项中，选出一个正确答案，并填入答题纸相应位置。 ( 本大题共 25 小题，每小题 1 分，共 25 分 )

Complete each of the following sentences with the most likely answer. (25 points)

1. I don't think ______ possible to master a foreign language without much hard work.

A. this                                      B. that

C. its                                       D. it

2. Tuition in some western universities runs ______ twenty thousand dollars a year.

A. so high as                                 B. as high as

C. so high to                                 D. as high to

3. The beauty of the Yellow Mountains is ______ I can describe in words.

A. more than                                B. not any more than

C. no more than                                      D. more rather than

4. Since Jack ______ take up the job, we might as well ask Richard to do it.

A. shouldn't                                  B. mustn't

C. wouldn't                                  D. needn't

5. The streets are all wet.   It ______ during the night.

A. must rain                                 B. must have rained

C. must be raining                                    D. must have been raining