His eyes ________ on the PPT, Lee listened to the teacher ________.
A.fixed; attentively |
B.have been fixed; carefully |
C.fixing; interestingly |
D.fixed; purposefully |
I got up early this morning, but I ________ so because I was not on duty today.
A.mustn’t have done | B.needn’t have done |
C.didn’t need to do | D.can’t have done |
It’s dangerous to have the fire _______ at home all night long.
A.to burn | B.burn | C.burned | D.burning |
—Are you satisfied with this hotel ?
—Not a little. We can’t have _________ .
A.a nicer one | B.a worse one | C.such a bad one | D.so nice one |
We______ the old scientist _____his contribution ______the country.
A.admire; for; to | B.admire; at; to | C.respect; on; for | D.respect; on; at |
.We are living in an age ______ many things are done on computers.
A.which | B.when | C.that | D.where |