Ⅰ. 单项选择。(15分)
( ) 1. ________ he decides to do something, it’s not easy to change his mind.
A. As B. While C. Once D. Before
( ) 2. There are ________ many factories here ________ we can’t get fresh air.
A. enough; that B. too; to C. such; that D. so; that
( ) 3. - Where is John?
- Oh, he ________ abroad.
A. has been B. has gone C. has been to D. has gone to
( ) 1. ________ he decides to do something, it’s not easy to change his mind.
A. As B. While C. Once D. Before
( ) 2. There are ________ many factories here ________ we can’t get fresh air.
A. enough; that B. too; to C. such; that D. so; that
( ) 3. - Where is John?
- Oh, he ________ abroad.
A. has been B. has gone C. has been to D. has gone to