They landed safely on the island in the Pacific. Everything went on better than______.
I _______ to the party if I________tomorrow..
Every student as well as all the teachers ____ required to be at the bus station at 6:30 tomorrow.
I don't think the film is worth____.
We Chinese must stick to One-China policy, ____ is of great importance to China.
It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.