— When did the plane _______? — Half an hour ago.
| A．get | B．reach |
| C．arrive | D．arrive at |
In fact the Swede didn’t understand the three questions ______ were asked in French.
| A．where | B．who |
| C．in which | D．which |
All ______ is needed is a supply of oil.
| A．the thing | B．that |
| C．what | D．which |
Lisa doesn’t know ______ she and her friends can do to help the little boy ______ parents have left their hometown for making money.
| A．that; whose | B．how; who |
| C．what; who | D．what; whose |
I want to know _________ you will come back at 8:00 tomorrow.
| A．that | B．when |
| C．where | D．whether |
This is the most beautiful garden _____ I have ever seen.
| A．which | B．who | C．whom | D．that |