It is (raining hard) outside. (Haven' t) you (taken) an umbrella (with you)

单项选择题If he (was to come) here this afternoon, I (should ask) him to go to the party (held by) student (union).

单项选择题He is a (well-known) hardworking and clever student, and he often gets top (scores) in his class; so all his classmates (are sure) that he (studies very hardly).