I didn't catch what you said．Would you please say it again? (　)

A．hear from

B．catch up with

C．listen to

D．understand

Ann hardly has time to help with the housework. (　)

A．has a little

B．has little

C．has no

D．has hard

—Yes. I often hear him ________ in his room,

Listen! Now we can hear him ________ again. (　)

A．sing; sing; sing

B．to sing; sing; singing

C．sing; to singing; sing

D．singing; to sing; sing

A．when will we go to

B．when we will go to

C．when do we go to

D．when did we go to

—________. (　)

A．That's right

B．You are welcome

C．It doesn't matter

D．All right

A．went

B．travelled

C．have been

D．have gone

A．died

B．been death

C．been dead

D．had died

A．lets

B．makes

C．allows

D．stops

A．them

B．one

C．ones

D．it

A．wear out

B．worn out

C．broke out

D．out