There has been a great increase in bicycle sales this year________?
_______are the days when we used foreign oilA To go B Going C Go D Gone
.It is the house________I have ever lived________is under repairA which, that B that ,which C in which ,where D where, that
___________harder, he would have succeeded in the college entrance examinationA He worked B He had worked C Had he worked D Did he work
__________ abroad for two years ,he will come back within two weeksA Having studied B Studied C To study D Studying
A boy rushed in_____________he opened the door A the moment B for the moment C for a moment D at the moment