The company is making a long-term__________to breaking into the American market.
A.complaint B.comment C.commitment D.contribution
There can be no doubt____________teachers love hardworking students.
A.where B.that C.which D.whether
It has rained cats and dogs for days.I hope it will___________next week.
A.step up B.make up C.take up D.clear up
I can still remember my childhood life,_________it was so long ago.
A.if only B.as though C.even though D.in case
He_________himself advanced English all by himself by the time he turned 18.
A.taught B.had taught C.has taught D.would teach
You could get into a situation_________you have to decide immediately.
A.what B.which C.where D.that