We should prevent pollution ______ happily.
| A．from living | B．to live | C．from being lived | D．to living |
Guilin is the most beautiful place _______ people all over the world want to visit.
| A．where | B．which | C．what | D．that |
—Did you remember to give her the book she asked for?
--_______I saw her , I remembered.
| A．While | B．Suddenly | C．Right | D．The moment |
I shall be surprised if he does this the same way _______ I do .
| A．as | B．like | C．which | D．what |
Robert is good at languages , _______ we all know .
| A．because | B．for | C．as | D．since |
It looks _______. It’s going to rain.
| A．that | B．as | C．as if | D．that |