问题

______do you write to your parents– Twice a month.

A:How often
B:of us tolearn
C:How long
D:How soon

正确答案是：

同类题型

Tom,______ his father, ______ playing football.

Is Dave your son——__________.

Last year the advertising rate on TV ____ by 20 percent.[ ]

Rose found her toy bear _______under the chair.

When the exciting news eventually came, the girl______her feelings and burst into tears.