At first, we didn't know about Tom. But ____, we came to know that he was an honest boy.
| A．suddenly | B．luckily | C．gradually | D．slightly |
. _________ the temperature might drop, coal was prepared for warming.
| A．To consider | B．Considered | C．Considering | D．To be considered |
I want to buy that kind of cloth because I _______ the cloth _______ well.
| A．have told, washes | B．have been told, washes |
| C．was told, washed | D．have been told, is washed |
These problems, ________ will seriously affect the growth of teenagers and even the nation’s future.
| A．not if solved properly | B．if solved properly | C．not if properly solved | D．if not solved properly |
------________ to many people’s expectation, the 2009 UN climate Change Conference didn’t achieve any specific goals.
------ Yes, it’s really disappointing.
| A．Contrary | B．Thankful | C．Similar | D．Grateful |
. Put the books back _______ they belong after you have finished them.
| A．where | B．to where | C．to which | D．to the place |