频率加倍则波长是A．增大4倍B．增大2倍C．减半D．与波长无关E．增大1倍

Had you come five minutes earlier, you () the train to Birmingham. But now you missed it.

A. would catch

B. would have caught

C. could catch

D. should catch

A、would have caught

B、would catch

C、could catch

If you had told me earlier, I __________ to meet you at the hotel.

A.had come

B.will have come

C.would come

D.would have come

—My I come in I’m sorry I’m lte.— Come in, plese. But could you plese tell me _______________ —My I come in I’m sorry I’m lte. — Come in, plese. But could you plese tell me _____________ __ why youre ltegin B．wht were you doing then C．who you tlked with D．how do you come to school

A．why you are late again

B．what were you doing then

C．who you talked with

D．how do you come to school

听力原文：W: When will you be back？

M: In an hour.

W: Can you come much earlier？

What does the man mean？

A．It'll be too early.

B．It'll be a bit late.

C．He doesn’t Want the woman to leave.

I suggested that you ______ (come)earlier tomorrow．

听力原文：M: When will you be back？

W: In an hour.

M: Can you come much earlier？

What does the man mean？

A．It'll be too early.

B．It'll be a bit late.

C．He doesn't want the woman to leave.