---Has your father returned from Africa yet?
---Yes, but he _______here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
Is this the watch you wish to _____?
| A．have it repaired | B．repair it |
| C．have repaired it | D．have repaired |
These are questions ______ by history.
| A．left over | B．left off | C．leaving out | D．leaving behind |
___that she’s by law old enough to get married, I don’t see how you can stop her.
| A．Having seen | B．To see | C．Seeing | D．Seen |
He bought some books, ______ were expensive.
| A．most of which | B．the most of which |
| C．most | D．the most of that |
The city was difficult ________, _________ was defended by an army of 6,000 men.
| A．to be taken; which | B．to take; that |
| C．to take; which | D．to be taken; that |