jority of rural migrants are engaged in the most painstaking, most tiring and dangerous work, _______ college graduates are reluctant to do.

_______ the foreign students to the end of the road and you will see a splendid world.

There is no doubt _____ man will continue to explore the vast universe in the future, but the rate at which we approach depends on the development of technology.[ ]

The whole family were worried about Jane because no one was aware___she had gone

1—I’m going to Hainan onvacation next week.– __.