_____ by the advances in technology, many farmers have set up wind farms on their land.
A. Being encouraged B. Encouraging
C. Encouraged D. Having encouraged
Don’t worry if you don’t understand everything, the teacher will ______ the main points at the end.
A. recover B. review C. require D. remember
It is obvious to the students ______ they should get well prepared for their future.
A. as B. which C. whether D. that
---- Sorry, I have to ______ now. It’s time for class.
---- OK, I’ll call back later.
A. hang up B. break up C. give up D. hold up
A person ______ e-mail account is full won’t be able to send or receive any e-mails.
A. who B. whom C. whose D. whoever
______ the project in time, the staff were working at weekends.
A. Competing B. Having completed C. To have completed D. To complete