I'm trying ________ well in my lessons.

[　　]

They ________ dinner when I ________ to see them.

[　　]

A．had, was going

B．were having, went

C．had, went

D．were having, was going

When I ________ to the radio last night, I ________ a loud noise.

[　　]

A．was listening, heard

B．listened, heard

C．was listening, was hearing

D．listened, was hearing

Would you please ________?

[　　]

A．not to wake him up

B．not to wake up him

C．not wake him up

D．not wake up him

Oh, I left my book at home. I didn't remember ________ it here.

[　　]

It took us two hours ________ the work.

[　　]

从所给的四个选项中选择最佳答案

—Shall we go to the park now?

—________

[　　]

A．Yes, I will．　　　B．No, let' s not．

C．No, thanks．　　　D．Of course, I can．