He didn’t show up at the party yesterday. He _____in the lab.

A、would have been busy working

B、must be busy to work

C、must have been busy working

D、must be busy wording

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

Jack didn’t go with Harry because______． A．he woke up too late B．he didn’t lik

答案解析
Mr. White _____ at 8:30 for the meeting, but he didn’t turn up.A、should have arrivedB、s

答案解析
Whats the decision made by the tribunal about Harrys cheating？A．He didn"t cheat at all.B．H

答案解析
It can be inferred from the first paragraph that______.A．up to now, Richard didn"t know he

答案解析
Mr. White ______ at 8:30 for the meeting but he didn show up.A.should have arrivedB.sho

答案解析
Mr. White______at 8:30 for the meeting but he didn show up.A.should have arrivedB.shoul

答案解析
--I wonder why Mr. Brown hasn t showed up at the meeting yet. --I m not sure but he____

答案解析