问题

has Bob been collecting stamps? — Since he was 8 years old. [ ]
A: How often
B: How long
C: When
D: How much
B: How long
C: When
D: How much
正确答案是:
同类题型
These coats are different ____ size.[ ]
Have you got the airplane tickets? -No, because it’s May Day ,all the tickets to Beijing______out.
________, I believe, and you will find Tom is very outgoing.
Bruce works very hard. —-_____.
The weather in Hong Kong is quite different from __________ in Beijing.