我想确认自己的答案是否正确,所以马上就要,

我想确认自己的答案是否正确,所以马上就要,
1.It____that he has been ill for a long time.
A.seems B.looks C.look as if D.seems as if
2.The question____by us soon
A.is going to discuss B.will discuss
C.is going to be discussed D.has been discussed
3.A lot of tall buildings ____in his hometown in the last three yeas.
A.have set up B.have been set up C.were set up D.set up
4.I'll go to meet you,if i____free then.
A.will be B.would be C.am D.was
5.Where were you ____?
A.an hour ago B.before an hour C.at times D.an hour before