Either you or the headmaster ________ the prizes to these gifted students at the meeting.
A. is handing out
B. are to hand out
C. are handing out
D. is to hand out
查看答案
Three-fourths of the surface of the earth ________ sea.
A. is
B. are
C. is of
D. has
Either of the books ________ mine.
A. is belong to
B. is of
C. is
D. were
John said that she ________ lunch when I called her.
A. is having
B. will have
C. was having
D. would have
The singer and dancer ________ our party this evening.
A. is to attend
B. are going to attend
C. is about to attend
D. were to attend
微信支付 
支付宝支付