Question

【題目】Don't worry. They ______ to consider your advice. Let me remind them of it now.
A.could forget
B.could have forgotten
C.should have forgotten
D.should forget

Answer 1

【答案】B
【解析】考查含情態(tài)動詞的完成式。句意：不要擔心。他們可能已經(jīng)忘記了考慮你的建議。我現(xiàn)在就來提醒他們。could have done(1)可能已經(jīng)做了某事(2)本來能做而沒有做。故選B。