You can only be sure of __________ you have at present; you cannot be sure of something __________ you might get in the future.
| A．that; what | B．what; / |
| C．which; that | D．/; that |
Either Wu Hai or I going to the teachers’ office after class for the papers.
| A．am |
| B．is |
| C．are |
| D．have |
Tom as well as two of his classmatesinvited to the party, where they met some famous singers.
| A．was |
| B．were |
| C．have been |
| D．has been |
Right now the writer and managerbusy preparing for the following meeting.
| A．is |
| B．are |
| C．was |
| D．were |
You may borrow the book, you do not lend it to anyone else.
| A．in good condition |
| B．on condition that |
| C．in no condition to |
| D．in condition |
The discovery of new evidence led to .
| A．the thief having caught |
| B．catch the thief |
| C．the thief being caught |
| D．the thief to be caught |