____ the flight to Beijing will be delayed is ____ I’m especially worried about.
A.If; what |
B.Whether; that |
C.When; that |
D.Whether; what |
— We shall take the conditions into careful account ____ you have attached to this contract.
— Thanks. Hope for further cooperation.
A.as |
B.which |
C.where |
D.what |
The split between humans and living apes is thought by some scholars ____ 15 to 20 million years ago.
A.to occur |
B.occurring |
C.to have occurred |
D.having occurred |
— Linda hasn’t shown up yet.
— It’s strange. She ____.
A.could |
B.might |
C.must have |
D.should have |
Many questions have been answered by John. He must have previewed the lessons last night, ____ he?
A.needn’t |
B.hasn’t |
C.didn’t |
D.mustn’t |
Look, ____ fashionable clothes is she wearing that all the eyes are fixed on her!
A.so |
B.such |
C.how |
D.what |