单句语法填空
【小题1】I don’t think ________ difficult for a Chinese student to master a foreign language within five years.
【小题2】A terrible accident happened last night, ________ (result) in heavy losses.
【小题3】The general gave the order ________ the soldiers should cross the river at once.
【小题4】Father is opposed to ________ (spend) much time watching TV because it’s a waste of time.
【小题5】Some researchers believe that ________ is no doubt that human will go to Mars one day.
【小题6】If you make up your mind to do so, then you should realize it may have serious ___________ (consequence).
【小题7】It wasn’t long ________ he realized he had made a serious mistake.
【小题8】The elephant is the largest land animal in ________ (exist) today.
【小题9】His life goal is to make contributions to ________ (help) the poor in society.
【小题10】It is not getting all you want but enjoying all you have ________ brings you happiness.