—Hi, Ben！ You look upset. _________
—I failed in the exam again.
| A．What's going on? | B．Thank goodness ！ |
| C．How do you do? | D．You rascal. |
What have you got _____ will help a cold?
| A．what | B．that |
| C．it | D．who |
Recently I bought an ancient Chinese vase, _______ was very reasonable.
| A．which price | B．the price of which |
| C．its price | D．the price of whose |
You could see the runners very well from ______ we stood.
| A．which | B．where |
| C．that | D．when |
All of the flowers now raised here have developed from those _____ in the forest.
| A．once they grew | B．they grew once |
| C．that once grew | D．once grew |
The modern history of Italy dates from 1860, ______ the country became united.
| A．when | B．if |
| C．since | D．until |