The ________ of girls in my class is 25.

Shall we have a smoke here?— No, we _______ because the workers are carrying some gas.[ ]

The teacher asked the two students todiscuss the question in a low voice______ they should bother the others

The new airport is built close to the freeway,and it is __________ by Bus No.2.[ ]

46.It’s no use___________over spilt milk.47.