－You look so puzzled．What's up?

－________．I can't find any solution to the problem．

A．Don't bother me．

B．That's not the point．

C．I'm stuck．

D．See what I mean?

－It is ________ must for us to buy a flat．

－Yes．But with house prices going up, it is out of ________ question．

A．a;/

B．the;/

C．the; a

D．a; the

－I didn't know you were good friends．

－You ________．I have known her since she moved here．You were abroad then．

A．may have

B．needn't have

C．couldn't have

D．must have

－It's already five years since we last met．Shall we have a get-together tonight?

―________．

A．It's a pleasure

B．That's all right

C．I can't agree more

D．It's very kind of you

－Why was the boy beaten by his father?

－He ________ to his father that he had ________ the table．

A．lain/lay

B．laid/lied

C．lied/laid

D．lay/laid

－Look! What's on that door?

－It's a card saying “________”．

A．No bothering

B．No annoying

C．No disturbing

D．No troubling

－I'm sorry．I've forgotten my credit card．And I don't have enough money for the meal．

－Don't worry．________．

A．It's on me

B．It's my honour

C．I'll invite you

D．It' s nothing particular

－I couldn't get through to you at home last night．You must have gone out then, ________?

－Yes, I went to the cinema．

A．mustn't you

B．haven't you

C．can't you

D．didn't you

－ Do you want to watch this or the news?

－ ________．It's up to you．

A．I'm easy

B．Let me see

C．All right

D．I have no idea

－Don't be mad at me．I'm only five minutes late．

－This is the last time I'm waiting for you．________．

A．I make it

B．I put it

C．I mean it

D．I get it