________ the expert stressed at the meeting was that students’ studies should center on the 45-minute lessons．

A．What

B．How

C．That

D．Which

This kind of mistake is very ________ among the students, so we must explain the reason to them．

A．ordinary

B．usual

C．similar

D．common

The time is not far away ________ modern communication will become widespread in China’s vast countryside．

A．as

B．when

C．which

D．that

－What’s wrong with your coat?

－When I wanted to get off the bus, the man next to me ________ on it and it tore．

A．has sat

B．had sat

C．was sitting

D．had been sitting

I think you should end it ________ it is too late, or you may be sorry about it later．

A．before

B．after

C．when

D．until

I’ll be late home because something has just ________ at work．

A．come up

B．break out

C．take place

D．come up with

Her car broke down on her way to the park, ________, she had to ask someone to repair it．

A．sooner or later

B．more or less

C．what’s more

D．as a result

－Good morning, Jinxing Hotel．

－Hello, I’d like to book a room for the nights of the 14^th and 15^th．

－________

A．No, problem．

B．Just a minute, please．

C．What can I do for you?

D．What’s the matter?

－Please tell me ________ of the city you have covered these two days．

－Only about a third of it, I guess．

A．how many

B．how much

C．how far

D．how wide

－You should apologize to her, Barry．

－________, but it’s not going to be easy．

A．I suppose so

B．I feel so

C．I prefer to

D．I like to