，please start the work tomorrow.
| A．If you are convenient | B．If it is convenient for you |
| C．If it is convenient of you | D．If convenience |
—John failed in the English test this time.
—He has been studying hard all the time.
| A．Of course. | B．Sure. |
| C．What a surprise! | D．Is there something wrong? |
-I have got a bad cold.
-No wonder you _______these days.
| A．have coughed | B．coughed |
| C．have been coughing | D．are coughing |
The way ______the teacher gave his lessons was easy to understand.
| A．which | B．what |
| C．in that | D．in which |
The library _______at present will be put into use next month.
| A．building | B．being built |
| C．built | D．to build |
When you look for a job, it’s not your book knowledge but your experience_______ matters.
| A．whether | B．which | C．what | D．that |