Jim, I heard someone _______ outside. Can you hear？

A.was happening

B.to happen

C.has happened

D.had happened

I ()supper when I()someone knocking at the door.

A、made . . . Heard

B、made . . .was heard

C、was making . . . was hearing

D、was making . . . heard

I was just lying down when I heard someone ______ on the window.

A．break

B．try

C．hit

D．knock

I was almost asleep last night when I suddenly heard someone ______ at the door.

A) be knocking B) knocking C) to knock D) having knocked

A、No sooner

B、Hardly

C、Before

D、After

A.was about to

B.had just to

C.would

D.would like to

A.was about to

B.had just to

C.would rather

D.would like to

A.sing

B.singing

C.sung

D.to sing