第二节:单项填空(共15小题;每小题1分,满分15分)______ strong and powerful China will certainly benefit ______ whole world.
______ the project in time, the staff have been working at weekends since last summer.
---Why do you keep looking back? ---I have a feeling that we _______.
Tom is determined to go on _______ voyage across the Atlantic Ocean again although he is still in ______ bad condition.
---The meeting’s been put off until next week. ---Sorry, ______. Could you say it again?
If we had taken such effective measures much earlier, the river__________so seriously now.