－________ David be the new chairperson of the Students’ Union?

－He ________ be, but I'm not sure．

A．Can; can't

B．Can; may

C．May; must

D．May; mustn't

－Can't you stay a little longer?

－Sorry, but my mother ________ me to go back home before 9：00 p．m．

A．hopes

B．lets

C．advises

D．agrees

－Do you know ________ ?

－I'm not sure．Maybe a teacher

A．what the man with a pair of glasses is

B．what is the man with a pair of glasses

C．who the man with　a pair of glasses is

D．who is the man with a pair of glasses

－Mr．Wu, please ________ how to get there and the cost of the trip．

－All right．I'll make it at once．

A．work out

B．find out

C．give out

D．put out

－Why do you always do things ________ ?

－Sorry, I won't, I promise．

A．carefully

B．carelessly

C．clearly

D．successfully

－Is it going to rain this Sunday?

－Sorry, I don't know．If it ________ , we won't go to Qinghu Wetland Park．

A．does

B．is going to rain

C．will

D．is

－Are you going on a trip to Xinghua to see the rape flowers these days?

－I haven't made a ________ yet．It's really hard for my family to reach an agreement．

A．difference

B．experience

C．decision

D．progress

－People should stop pouring dirty water into the lake．

－________．It will cause pollution．

A．Don't say like this

B．Never mind

C．I agree with you

D．The same to you

－The light in the office is still on．Who ________ it be? Is it Mr Wu, our headmaster?

－No．It ________ be him．I saw him in the classroom just now．

A．can; can't

B．may; won't

C．may; mustn't

D．can; mustn't

－Which of these places will you visit, Taizhou Zoo, Fengcheng River or Pozi Street?

－I'll visit ________ of them, because I have been there many times and now I am very tired．

A．either

B．all

C．none

D．nothing