选词填空

as a consequence,　on the other hand,　for sale,　with the intention of, point out,　use up,　concentrate on,　in general

【小题1】The engine stopped because the fuel was ________________.
【小题2】As has already been ____________，grammar is not a set of dead rules.
【小题3】It hasn’t been raining for months；____________，we have to water the crops.
【小题4】____________，people talk about two groups of colors: warm colors and cool colors.
【小题5】On the one hand，I want to help them. ____________，I haven’t got much time.
【小题6】In order to pay off his debt，he put up his car ____________ last week.
【小题7】I read half an hour of English every morning ____________ improving English speaking ability.
【小题8】Generally speaking，it’s hard to spend enough time in both ____________ lessons and taking part in social activities.