Knock at the door, before you ________ the room.A. enter intoB. come inC. go toD. enter

A.when、knocking

B.when、knock

C.that、knockingD. that、knock

Scarcely ___________ Ted fallen asleep when a knock at the door awakened him.

A、had

B、did

A.knocks

B.to knock

C.knocked

D.knocking

A.no one

B.someone

C.somebody

D.everyone

Scarcely()asleep when a knock at the door awakened her.

A.she had fallen

B.she had fallen into

C.had she fallen

D.fell she

A.to knock; smashing

B.knocking; smashed

C.knocked; smashing

D.knocking; smashing

A.to knock; smashing

B.knocking; smashed

C.knocked; smashing

D.knocking; smashing

She followed the receptionist down a luxurious corridor to a closed door, __the woman gave a quick knock before opening it.

Aon which

Bbut when

Cwherein

Dthen

When you ______ at the door, I ______ some washing.

A、knocked; did

B、was knowcking; did

C、knocked; was doing

D、knock; am doing