—Helen,willyoubeatthepartytonight?—Yes,butIreally　　　as...

問題詳情：

 —Helen, will you be at the party tonight?

—Yes, but I really 　　　 as I have so much homework to do. 

A. can’t             B. shouldn’t       C. mustn’t          D. won’t

【回答】

B

知識點：虛擬語氣與情態動詞

題型：選擇題