1．Thanks to the efforts in environmental protection, the wetland has been _____ to its original appearance.
2．The village evolved into a major e-commerce center, and _____ the past, the villagers owed their success to the reform and opening-up policy.
C．to review D．being reviewed
3．—Ted has never been so rude!
—He ______something he shouldn’t have, but I guess he didn’t mean that.
A．has said B．had said
C．said D．was saying
4．Jack’s fellow workers often turn to him for help when trapped in trouble because he is a _____of ideas.
5．The press should expand its influence in international public opinion to make China’s voice better ____in the world.
A．hearing B．to be heard
6．Taking targeted measures to help people lift themselves out of poverty, _____has been predicted, is fruitful.
7．Since the match is over, we can ____by travelling and stop thinking about basketball.
A．dive in B．switch off
C．pull out D．split up
8．To make a breagh in his scientific research, the scientist has been making a(n) _____amount of effort.
9．—Kevin, time for the next destination!
—No hurry! Another 15 minutes and we _____ all the exhibition rooms of the museum.
A．am exploring B．have explored
C．will explore D．will have explored
10．If it had not been for the heroes’contributions and sacrifices, we _____such a happy life.
A．wouldn’t have led B．wouldn’t be leading
C．haven’t led D．are not leading
11．The bus dropped me off and pulled away _____I realized I had left my bag on it.
12．If we surround ourselves with people _____our major purpose, we can get their support and encouragement.
A．in sympathy with B．in terms of
C．in honour of D．in contrast with
13．It was announced that only after the candidates’papers were collected _____to leave the room.
A．had they been permitted B．would they be permitted
C．that they would be permitted D．that they had been permitted
14．—-What difference will it make _____we shall go to the concert on Tuesday or Saturday?
—They offer a discount on weekdays.