单项选择题
()tell us everything, we could try to solve his problem.
A. Were he B. If he should C. Were he to D. Was he to
单项选择题 Since you need to catch an early train tomorrow morning, we () now.
单项选择题 It was 12 o'clock ()the plane took off.
单项选择题 He told us that John, as well as his brother,()coming to the party.
