A good thesis statement should be __________.
A. short
B. specific
C. focused
D. unexpected
查看答案
What are possible causes of wordiness?
A. Trying to sound too formal or academic.
B. Not knowing more precise vocabulary.
C. Using too many unnecessary and vague modifiers.
D. Using too many prepositional phrases or possessives.
Which expressions are correct?
A. This street is four times shorter than that one.
B. This street is as four times short as that one.
C. This street is the length four times of that one.
D. This street is four times as short as that one.
Complete the sentence below. —What do you think that noise was? —It _________ a cat.
A. should have been
B. might have been
C. could have been
D. need have been
Complete the sentence below. The book with a yellow cover is more interesting than _________ with a green cover.
A. one
B. that
C. which
D. the one
微信支付 
支付宝支付