If you want to advance yourself in your studies, you will first have to ________ yourself of those shortcomings that can become barriers to progress.
| A．remove | B．react | C．rid | D．reduce |
When the telephone rang, I happened_____ a book.
| A．to be reading | B．to read | C．read | D．to have read |
The boy wanted to ride his bicycle in the street, but his mother told him_____.
| A．not to do | B．not to | C．not did it | D．don’t do it |
Please put on the coat, _____ you’ll catch a cold.
| A．so | B．otherwise | C．but | D．because |
Try to_____ at least an hour each day for learning English and you’ll make progress.
| A．set about | B．set against |
| C．set aside | D．set apart |
This company sells cars in different price_____.
| A．limits | B．ranges | C．forms | D．varieties |