问题
Peter, ______ do you visit your grandparents? —Twice a month. [ ]
A: how long
B: how soon
C: how far
D: how often
B: how soon
C: how far
D: how often
正确答案是：
同类题型
Mr. Green left _________ suddenly _________ he came.
Is this_____ computer game?— Yes, _____ is. It’s _____ computer game.
We must protect plants. They are friends of ______.
.It was_________Asimov was eleven years old________ his talent for writing became obvious.
What’s the time by your watch, Linda?– Sorry, I don’t know. I ___________ my watch at home.