There is a new problem involved in the popularity of private cars________road conditions need________.
A.that；to be improved B.which；to be improved
C.where；improving D.when；improving
Last Sunday he made a promise _______ he was free he would take me to Beijing for a visit.
A.if B.when C.that if D.whether
The officer command that the wounded _______ to hospital as soon as possible.
A.would be sent B.should be sent C.need to send D.should send
Thor is no longer _______ he was two years ago.
A.that B.who C.what D.which
It is _______ he said _______ is very important to me.
A.what; that B.that; that C.all that; what D.which; that
_______ do you think will get the first prize in the English Competition?
A.who B.whom C.whose D.whoever
