问题

It’s great that all the visitors who _______ onthe island were saved.

A:trapped
B:have been trapped
C:hadtrapped
D:had been trapped

正确答案是：

同类题型

r from the school there was a garden, _____owner sat in it playing chess with his grandson every afternoon.

The most delicious cake in the world ________ by mum. Please wait an hour to enjoy it.

It takes about two hours to get to their office building, _________ possible traffic delays.

Heilongjiang is in the _______ of China.

______ to improve thecooperation with other countries