Once out of the earth’s gravity, the astronaut is        by the problem of weightlessness.

After recovering from his illness,he was advised to       gardening as a hobby.

We had wanted to finish our task by noon, but it didn’t quite ________ as planned.

Mr Song said that global warming was largely       for the country’s frequent extreme weather in 2011 .

You’ve done so much work —you’re ____ pass the exam.