－Mum, could I go out to play now?

－Let me see…Yes, ________ you have finished all your school assignments．

A．until

B．unless

C．while

D．since

－I came all the way to inform you of the time and place of the meeting．

－You could have ________ yourself the trouble by calling me．

A．shared

B．spared

C．cost

D．removed

－Do you like Jiang Wen's movie Let Bullets Fly?

－________．I just watch it for fun．

A．Of course．

B．Not really．

C．Not likely．

D．Not a little．

－I'm sorry．That advice wasn't of much ________．

－Oh, sure it was．As a matter of fact, it was most ________．

A．help; helpful

B．useful; use

C．helpful; helpless

D．useless; useful

－I prefer shutting myself in and listening to music all day on Sundays．

－That's ________ I don't agree．You should have a more active life．

A．where

B．how

C．when

D．what

－I can't find my dictionary anywhere．

－You ________ have lost it while studying in the library．

A．can

B．may

C．would

D．should

－Will it be a long time ________ I come for the pictures?

－No．It ________ be ready by 3∶00．

A．that; can

B．since; will

C．before; should

D．until; must

－Do you want to go out tonight?

－________, it's up to you．

A．Yes, I want to

B．That's all right

C．I'm easy

D．No problem

－What wine shall we prepare for the dinner?

－You'd better think about it twice, because some guests are ________ about their wine．

A．special

B．particular

C．especial

D．excited

－What makes her so frightened?

－Oh, it is the mouse that she ________ on her bad while looking for her watch．

A．came about

B．came across

C．came through

D．came up