w lecture course differs fromthe old one, ________ the students aren’t required to attend lectures.

The committee is discussing the problem right now It will_____ have been solved by the end of next week

We study something about Qin Shihuang from our _____________ lesson.

Where is Mr Smith I can’t find him anywhere. –He is said _______Australia.

The course normally attracts 20 students per year, ___________ up to half will be from abroad.