问题

There is______ science museum in my city. ______ science museum is very big.
A:however
B:but
C:if
D:or;
B:but
C:if
D:or;
正确答案是:
同类题型
Only after they had discussed the matter for several hours ________ a decision
The man fell , his hand still ___________.
Excuse me, Could you tell__________ —Yes. Go along this street and you will find it on your left.
We students are supposed to know how we shouldourselves tosurewe are in the proper mental state.