Miss Li__________ more than 100 books in the last few years.A. read B.has read C. has been reading
Boys, don’t lose____ in playing Angry Birds. It is bad for your eyes to play computer games for a long time.
—What do you want to be in the future, Lucy? —I want to be _____ pilot. It is _____exciting job.
New technology____________to stop the students from cheating in the exam last year. A. is used B. used C. was used
--Why are the windows so dirty? --Because we_________them for a long time. A. have cleaned B. haven't cleaned C. didn't clean
Mr. Wang often encourages us_______close to nature and enjoy its beauties A. get B. getting C. to get