-Will the book I ordered arrive in time?
-lt , if there is no traffic jam.
A. must
B. can
C. should
D. would
网友回答
A. must
B. can
(答案→)C. should
D. would
解析:考查情态动词。句义:我预定的那本书到了吗?应该到了,如果没有交通堵塞的话。情态动词表猜测:must,有把握的肯定猜测,一定,can 可能,用于肯定句,有时会(表客观可能性,跟现在没关系),should,应该(按道理,按常规),would不表猜测,所以C正确。