问题
_____ has Mr.Smith taught in our school?— For three years.[ ]
A:How often
B:How long
C:How many times
D:How soon
B:How long
C:How many times
D:How soon
正确答案是：
同类题型
Why did Miss Yang look so worried when we saw her? —Because she wondered __________.
It seems that it is going to rain. You’d better the windows open when you leave the house. [ ]
_______haveyoulearnedtoplaytheguitar?—Forthreeyears.[ ]
Do you enjoy ____football? I hear there will be a football match tomorrow.