how to work out the difficult physics problem ,he asked the teacher for help .
| A．Not to know | B．Not knowing | C．Knowing not | D．Not known |
As a physics teacher, Mr. Chen devoted himself to teaching and researching, which earned him a good ______ in his field.
| A．reputation | B．expectation |
| C．impression | D．Knowledge |
I hate ________ when someone makes a mess of my learning materials on my desk．
| A．it | B．that | C．this | D．One |
Do you have ________ Smith here? I’d like to have ________word with him．
| A．a; the | B．the; a | C．the; the | D．a; a |
—Putting on a happy face not only helps us make friends but also makes us feel better.
— _______.
| A．I’d love to | B．I’m with you on that |
| C．It’s up to you | D．It’s my pleasure |
— How about your picnic last Sunday?
— Everything was perfect _______ the weather.
| A．in place of | B．as well as |
| C．except for | D．in case of |