I hurried back home only ________ that I had left my key at my office.
| A．to find | B．finding |
C．having found | D．found |
—Dear son，I will take you to the big dinner tonight. _________You promise.
—OK. Mummy.
| A．Believe yourself | B．Behave yourself |
| C．Enjoy yourself | D．Help yourself |
_________a man’s age is, he can relax himself by wearing a confident smile.
| A．Whichever | B．Whenever | C．Whatever | D．However |
The results of the experiment proved to be very good, _________ was more than we expected.
| A．which | B．what | C．that | D．this |
Overloaded with work, many doctors now get far less sleep than they _________.
| A．shall | B．should | C．may | D．might |
In the traditional Chinese calendar, each year _________a name of 12 kinds of animal.
| A．gives | B．is given |
| C．has given | D．has been given |