Jack goes online ________ three times a week.
A. never B. in most C. at least D. in least
_____ is important _____ us to do morning exercises every day.
A.That; for B. It; for C. This; of D. It; of
----What’s wrong with you, Eric? You look so tired.
----I ______ to prepare for the final exam last night.
A. picked up B. woke up
C. stayed up D. put up
----I can’t find my dictionary.
----_______ you put it in that bag.
A. Must B. May C. Maybe D. May be
----_______ does Tom go to the club?
----Once a week.
A. How often B. How soon C. How long D. How far
Most students exercise __________ a week.
A. once or twice B. one time or two time
C. once time or twice D. once or two time
