As soon as the accident took place, ________ two policemen were sent there to ________ the case．

A．look over

B．look up

C．look into

D．look through

If you have any unknown word, you can ________ in the dictionary．

A．look it up

B．look up it

C．look into

D．look out

After the accident, the police were ________ the cause．

A．looking up

B．looking for

C．looking into

D．looking out

The murder was brought in, with his hands ________ behind his back。

A．being tied

B．having tied

C．to be tied

D．tied

He often sleeps with the windows ________．

A．open

B．close

C．opened

D．opening

_________ time going on, he always misses the past days．

A．As

B．With

C．For

D．By

－How are you managing to do your work without an assistant?

－Well，I ________ somehow②．

A．get along

B．come on

C．watch out

D．set off

－What do you think of your English teacher?

－He gets ________ well with the students．He is easy ________．

A．along; to get along

B．on; to get along

C．on; to get along with

D．along; getting alone with

________ is he getting along with his classmates?

A．What

B．How

C．Whether

D．How much

(经典回放)Let Harry play with your toy as well，Clare you must learn to ________．

A．support

B．care

C．spare

D．share