Lily, my partner, is usually friendly to others, but she___ get into bad temper sometimes.
A.must B.should C.may D.can
— I’m afraid that I may miss her at the airport.
— Don’t worry. She ______ a bunch of flowers at that time.
A.holds B.will be holding C.was holding D.held
Facing the stress of employment, some college graduates make a popular choice ____ they will join the army.
A.which B.that C.what D.where
How lucky he was! He ____ involved in the murder.
A.must have been B.can have been C.could have been D.would have been
— You look pale. Did you sleep well?
— No. It was already midnight ____ I finished my homework.
A.before B.when C.that D.since
Don’t use your cellphone — we are flying at ____ altitude of 10,000 meters and ____average speech is 678km/h.
A.an; the B.the; the C.the; an D.an; an