— _________ was it _________ they discovered the entrance to the underground palace？
— Totally by chance.
| A．What; that | B．How; that | C．When; how | D．Where; that |
We had a tiring meeting _______ I kept falling asleep.
| A．which |
| B．that |
| C．where |
| D．during which |
The popular star stood there,_______by many students.
| A．surrounded |
| B．surrounding |
| C．to surround |
| D．surround |
You'll feel much better if you_______ the pills.
| A．take |
| B．drink |
| C．eat |
| D．get |
Tell your friend not to take the pills _______ he may have health problems in the future, _______ it is too late.
| A．cause; which |
| B．that; when |
| C．because; when |
| D．that; which |
Actually,I don't mind_______by a young doctor.
| A．operating |
| B．operating on |
| C．being operated |
| D．being operated on |