If you don’t know how to pronounce new words, ____in a dictionary, please.A. look up it B. look it up C. look them up D look up them
Who saw it ______ at that time?
More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
We have to ____the sports meeting till next Friday because of the bad weather
They are talking about the movie __they watched yesterday
_____interesting work it is to teach children!