The science of computer, rapid progress has been made in recent years,plays a very important role in our daily life.
They say that ____Chinese language is particularly difficult for ____ European.
It remains ______ whether he will pass the exam this time.
Spain will be terribly hot in August and _______ we can’t afford a holiday abroad.
Has all______ can be done _______?
It’s hard to imagine what progress they _________ in the past few months.