To be healthy,you should keep ________ exercise every day.
A.taking B.to take C.take D.have taken
________ you grow older,you'll know better and better about yourself.
A.As B.Because C./ D.With
Our teacher has worked for 3 hours.He needs ________ a rest.
A.to have B.having C.have D.to having
—If you want to know the truth,why not ask him ________?
—I will.
A.in person B.on time C.at times D.by himself
—How far is it from Beijing to Shanghai?
—I'm not sure.You can ________ it on the Internet.
A.look B.check C.ask D.answer
You must avoid ________ late for school again.
A.be B.being C.to be D.been
