There is a police car in front of the house of our neighbour's. _____ do you think _____ ？
| A．What；has happened | B．What；of happening |
| C．What；of being happened | D．Whatever；of happening |
Follow your doctor’s advice,_____ your cough will get worse.
| A．or | B．and | C．then | D．so |
I spent five hours_____________ the book__________ I paid 10 dollars.
| A．reading; that | B．to read; for that | C．read; which | D．reading; for which |
When the old man_____to walk back to his house，the sun____itself behind the mountain．
| A．was starting；hid | B．had started；had already hidden |
| C．had started；was hiding | D．started；had already hidden |
I wrote a letter of complaint(投诉)，and the airline have promised to _______the matter．
| A．1ook at． | B．1ook into | C．1ook after | D．1ook out |
I’m happy that you agreed to work with us again．and I look forward to______you next week．
| A．being seen | B．see | C．seeing | D．having seen |