I went back to the cinema to look for my keys, only __________.
| A．finding it shut | B．having found it gone |
| C．to find it closed | D．to have found them |
She had golden hair when she was a child, but_________ she got older and older; her hair went darker and darker.
| A．while | B．when | C．after | D．as |
___________she was invited to the ball made her very happy.
| A．What | B．That | C．When | D．Because |
Jack is one of those men who_________ best evening the most difficult situations.
| A．his | B．your | C．their | D．one's |
--Whose advice do you think I should take?
--___________.
| A．You speak | B．That's it | C．It’s up to you | D．You got it |
__________ you understand the rule, you will have no further difficulty.
| A．While | B．Once | C．Though | D．Unless |