The water in the river isn’t fit to drink, for you know, it __________.
A. was polluted B. was polluting
C. had been polluted D. has been polluted
I hear Mr. Smith was writing a story last year and he still__________.
A. do B. does C. is D. am
I haven’t seen _________ Maggie since I came here.
A. as lovely a girl as B. so a lovely girl as
C. girl as lovely as D. as a lovely girl as
He is rather difficult to make friends with, but his friendship, ________, is more true than any other.
A. after gaining B. while gaining
C. once to gain D. once gained
Many people can’t learn any lessons from the mistakes they’ve made __________ they get hurt somehow.
A. whether B. unless C. if D. as
---- They like going to sleep early, don’t they?
---- Yes. They are accustomed ___________ very late.
A. to stay up B. to not stay up
C. to staying up D. to not staying up
