－I saw Betty go to Grandpa Zhang's home just now．

－Yes．She is often seen ________ the old man with his housework．

A．help

B．to help

C．helps

D．helped

The headmaster told us ________ at the Science Museum on time．

A．arrive

B．arrives

C．to arrive

D．arriving

The girl was heard ________ the piano in the next room．

A．plays

B．to play

C．played

D．play

－We can use MSN to communicate with each other online．

－Good!Will you please show me ________ it?

A．what to use

B．how to use

C．when to use

D．where to use

The woman wants her daughter ________ English every morning．

A．read

B．reads

C．reading

D．to read

Who ________ into the library while Lucy and Lily ________?

A．comes, is coming

B．came, were talking

C．was coming, talked

D．came, talked

Alice ________ to bed until her mother ________ back．

A．won't go, come

B．hadn't gone, came

C．went, came

D．didn't go, came

Father ________ when I ________ yesterday morning．

A．is sleeping, got up

B．still slept, got up

C．was sleeping, got up

D．sleeps, get up

Please be careful in the lab, ________ you?

A．will

B．won't

C．don't

D．do

It ________ ten years since his grandpa ________．

A．is, died

B．is, has died

C．was, died

D．is, has been died