－Mum, doing homework all the time makes me a dull．What about going for a picnic?

－________．

A．Help yourself

B．Good idea

C．You're welcome

－Would you mind opening the window, sir?

－________．It's really hot．

A．Yes, please

B．Not at all．Do as you like

C．No, please don't do that

－Tom!Look at the man in black over there．Can you tell me ________?

－Oh!He is my friend, Jim．

A．what he is

B．who he is

C．how he is

－Must I finish my homework today, Ms Liu?

－No, ________．

A．you mustn't

B．you don't have to

C．you can't

－My grandfather was ill in hospital last week．

－_________．

A．I don't think so．

B．I'm sorry to hear that．

C．That’s a good idea

－Could I borrow your computer．Bob?

－Sorry, I am _________ it．

A．taking out

B．turning on

C．working on

－My old friend White is going to visit me．

－We haven't seen each other _________ five years．

A．since

B．after

C．for

－I _________ something wrong just now．May 1 use your eraser?

－Of course．Here you are．

A．write

B．wrote

C．am writing

－Do you know _________ tomorrow?

－Sorry, I don't know．You may surf the internet．

A．whether will it rain

B．if it will rain

C．whether does it rain

－Can you cook by _________?

－Yes, I can cook well

A．you

B．yours

C．yourself