问题

Look! There’s an island over there. — Yes. It’s too far away from the land. I think it must be ________ visited by ships.
A:often
B:usually
C:seldom
D:always;
B:usually
C:seldom
D:always;
正确答案是:
同类题型
It’s much too dry, farmers are all looking forward to ________.
He speaks English well indeed, but of course not ________ as a native speaker
(题文)He had his camera ready ____________ he saw something that would make a good picture.
We should respect teachers because they _____ us with knowledge.
The sentence,which puzzledJohn,was alsomeand we had to turn to our English teacher for help