If you don't know how to spell a new word, you'd better ________．

A．100k up a dictionary

B．100k up an dictionary．

C．100kitupin a dictionary

D．100kitupin an dictionary．

It is impolite to ________ those persons in trouble．

A．1augh to

B．1augh with

C．laugh of

D．1augh at

－David, turn off the TV ________ no one is watching it．

－But it ________ off already!The music is from the radio．

A．so that, has been turned

B．when．has turned

C．if．has been turned

D．because, has turned

－How about ________ in the river with us?

－Sorry I can’t．My parents often tell me ________ that．

A．swim, don’t do

B．swim, to do

C．swimming, not do

D．swimming, not to do

－________ that new bike over there?

－I think it’s ________

A．Who’s, Sam

B．Who’s, Sam’s

C．Whose is, Sam

D．Whose is, Sam’s

－It’s raining, Daisy．Please ________ an umbrella with you．

－Thanks．I’ll return it to you when I ________ next week．

A．take, come

B．take, will come

C．bring, come

D．bring, will come

－Could you tell me ________?He is wanted by the head teacher．

－Sorry, I’ve no idea．But he ________ here just now．

A．where Tim was, was

B．where is Tim, was

C．where Tim is, was

D．where Tim is, is

－I phoned you at six last night, but ________ answered．

－I ________ a walk in the park at that time．

A．no one, was having

B．anyone, was having

C．nobody, had

D．somebody, had

－Dad．why should I stop ________ computer games?

－For your health, my boy, I’m afraid you ________

A．to play, must

B．playing, have to

C．to play, can

D．playing, may

－________ is the library from our school?

－It’s quite near, Just go ________ the road．

A．How far, cross

B．How long, across

C．How far, across

D．How long, cross