问题
________do you exercise?-I exercise once a day.[ ]
A: How often
B: How long
C: How old
D: How much
B: How long
C: How old
D: How much
正确答案是:
同类题型
Can you tell me how ________ the problem ?
Bob usually gets up at seven _______ the morning. [ ]
Did you have breakfast this morning? — No. I got up late and went to school _____breakfast. [ ]
The railway station is ______ the supermarket. [ ]
The man is going to buy a big house when he _________ more money.