问题

______ do you visit here? [ ]
A: How often
B: When
C: How long
D: How many
B: When
C: How long
D: How many
正确答案是:
同类题型
Please get everything ready ______ classes begin. [ ]
Mother told me ______ in bed because it’s bad for eyes.
Ourteacher usually gets to school a little _______ than our students.
Whose MP5 is this, Tina?— It’s _____. My mother bought it for me last Sunday.
that young babies learn to do things because certain acts lead to awards.