—Time is limited. I have to finish this tonight.
—But it’s midnight now and you should have a sleep ______ much work you have to do.
| A．however | B．no matter | C．although | D．whatever |
---I wonder what makes you a good salesperson
---I _______ as a waiter for three years , which helps my today’s work a lot.
| A．serve | B．have served |
| C．served | D．had served |
The textbooks ________ for teaching English as a foreign language came out in the 16th century.
| A．having written | B．to be written |
| C．being written | D．Written |
If the wound _______ become swollen, do not hesitate to call me.
| A．shall | B．must | C．should | D．Would |
He ______ to get out of trouble, but no one would help him.
| A．succeeded | B．attempted |
| C．managed | D．Offered |
Our class _______ more than 70 students.
| A．builds of | B．is made up |
| C．consists of | D．is consisted of |