It wasproblemthatof the students could workit out.

When we visited my old family house, memorycame_________ back.

I think the company may not offer you agood pay. – ______ , I won’t take the job.

Whoever leaves the lab last, _____ all the lights are turned off.

It is reported that several _________ teams will compete in the 4th World College Students Dragonboat Race ,which will be held in Taiyuan in June.—I can’t wait to see.