A group of middle school students spent two weeks _____ the jungle.
A. trekking through B. trekking across C. to
trek across D. to trek through
Please ask the headmaster to decide .
A. to go there with whom B. whom to go th
ere
C. whom to go there with D. with whom to
I want to know if your sister will go to the movie.
— If your sister , so .
A. does; does she B. will; will sheC. does; will she D. will; does she
— Bill, is the pink umbrella Anna’s?
— No, it be hers. Hers is purple.
A. canB. may not C. would D. can’t
Mr Wang’s lessons are _____, so his students like him very much.
A. alive B. live C. living D. lively
Milk quickly goes bad in summer 
it is in a fridge (冰箱).
A. ifB. because C. unlessD. When
