I knocked on the door but nobody came to answer it.

[问答题]I knocked on his door but nobody came to answer it.

[问答题]I knocked on his door but nobody came to answer it.

[单选题]The man knocked at the door _______ nobody answered.A.andB.soC.orD.but

[单选题]The man knocked at the door _______ nobody answered.A.andB.soC.orD.but

As there was nobody behind the ______, I came back without buying anything.A. wa

[单选题]I can’t find the key ______the door. Maybe I lost it.A.toB.ofC.withD.for

I cant answer it. （  ）A. problemB. questionC. matterD. thing

[单选题]I can't find the key _____the door. Maybe I lost it.A.to B.of C.with D.for

The ___ is very hard. I cant answer it.A. questionB. matterC. problem

He took a deep ___ and then knocked at the door of the principals office. ( )A