1.【2013北京】 Mr. Green, a famous writer, ________ our school next week.
A. visited B. visits C. was visiting D. will visit
2.【2013北京】Miss Lin_________ a lot of work for the poor area since 2010.
A. does B. did C. has done D. will do
3.【2013浙江义乌】—Why was your class so lively, Mr. Li?
—Oh, my students in groups about the coming school trip.
A. discuss B. are discussing C. were discussing D. have discussed
4.【2013山东淄博】—Dave, it’s dangerous to swim here. Look at the sign.
—Oh, I _______ it. Thank you.
A. didn't notice B. won't notice C. hadn't noticed D. don't notice
