This river is so big that it is impossible to build a _______under it without modern technology.
A、canalB
暂无解析
The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
In the United States, the foreign policy is decided by the ________ government, not by each state.
We can not _______ all the magazines together.
She is already 16years old. But she _______as if she were still a little girl.
Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
