You have failed two testsYou’d better start working harder, ____ you won’t pass the course

tting sun was reflected on the river, ________ everything along the banks ________ all the more beautiful.

Will you go home tomorrow evening?—No, I’m going to a lecture, or at least I am planning _____.

Could you tell me ________ this summer holiday -Tibet.

There ________ a big tree and many flowers in front of my house now.