He has worked in the factory______ five years ago．

A． for         B． at         C． since         D． about

Li Hua's house is very far．She ______ the subway to school every day．

A． takes        B． take         C． will take           D． by

What ______ you ______ when your mother came back?

A． are; doing          B． were; doing         C． did; do               D． was; doing

It's important______ enough rest．

A． to have            B． have         C． having           D． has

Could you please ______ me ______ the house?

A．helping, cleaning                             B．help, clean

C．to help, clean                                    D．help, cleaning

The boy is ______ at lessons in our grade．

A． the best           B． better         C． good           D． best

---Is______ book on the desk yours?

---Yes, it's______ my book．

A．the, a        B．the, the         C．the, /         D．a(chǎn), the

I haven’t seen Mr. Hu for days．Can you tell me______?

A．where does he go                  B．where he has gone

C．where he goes                     D．where he go

You' d better ______ in the street．It' s too dangerous．

A．don' t play      B．not to play         C．not play      D．not playing

---Tomorrow is Lucy's birthday, what ______ I get for her?

---Why______ give her some books?

A．should, not                                          B．will, not you

C．must, don't you                                        D．need, haven't