Teenagers spend too much time on computer games.What’s worse, some of them can’t ____________ their studies.
A.get on B.concentrate on C.insist on D.hold on
People believe that when Fu __________upside down, happiness arrives.
A.is surrounded by B.is swept C.is attached D.is attracted
Before Spring Festival, I often ________ to clean the house from top to bottom.
A.make an effort B.make up for C.sweep off D.put up decoration
In many countries, people_________ fireworks to celebrate their traditional festivals.
A.let off B.put off C.give off D.go off
Smiling and laughing has actually been shown to _________and stress.
A.put on pressure B.fed up with C.relieve tension D.try out for
In boxing, players should wear gloves and mouth guards ________ anything dangerous happens.
A.in vain B.in a word C.in debt D.in case
