你在问别人问题之前,你可以有礼貌地说:A.I’m sorry. B. Excuse me. C. Can you help me?
Are there ______ interesting places ? A.some B.an C.any
They are your ______. A.parent B.parents C.a parent
They are ______ to make a plan. A.go B.to C.going
I will go to Beijing ___ March 15. A.on B.in C.at
We need train tickets ______ Shanghai______Beijing. A.for;toB.from;go C. from;to