初中英语简单句的基本句型单选题

We had to _____our discussion because one of us suddenly got ill.
A.take off               B.turn off             C.break off

— Would you mind my taking this seat? — ______.
A.Sorry, I can’t        B.No,not at all        C.It’s a pleasure

— ____can we board our plane? — In twenty minutes.
A.How soon               B.How long             C.How often

My e-mail______to you last night.　Have you received it____?
A.sent;yet               B.is sent;already      C.was sent;yet

In our school libray,there____a number of books on science and the number of them_____growing larger and larger.
A.is;are                 B.are;is               C.have;is

Thousands of houses _______ by the floods in Guangxi last month.

A．destroy

B．destroyed

C．have destroyed

D．were destroyed

______ more, and you’ll improve your spoken English.

A．Speak

B．Speaks

C．Speaking

D．To speak

--- I’ve just got a postcard from my pen friend.
--- Let me have a look. Wow. _____ nice card!

A．What

B．What a

C．How

D．Why