问题
_____ do you have a trip?—Twice a year.[ ]
A: How often
B: How long
C: How soon
D: When
B: How long
C: How soon
D: When
正确答案是：
同类题型
Which subject is _____, Chinese or maths?—I think maths is.
To improve your spoken English, you’d better listen to the tape ______.
Judy,you look so tired.—Yes, I didn’t go to bed ____ 12 o’clock last night. [ ]
Today, there are still 40 _______ children needing help for education.
How will you spend your weekends?-If I ______free, I ______ to the cinema with my friends. [ ]