“Who told you?” “Oh, somebody or other, I’ve forgotten _____.”
| A．what | B．when |
| C．which | D．who |
It is not possible to ______ with certainty what effect this event will bring about.
| A．prohibit | B．preserve | C．panic | D．predict |
This is not an economical way to get more water; ____, it is very expensive.
| A．on the contrary | B．on the other hand |
| C．on the whole | D．on earth |
_____ Barbara Jones offers to her fans is honesty and happiness.
| A．Which | B．What | C．That | D．Whom |
The most delicious cake in the world____ by mom. Please wait an hour to enjoy it.
| A．makes | B．is made | C．is being made | D．is making |
It can’t be a(n) _____ that four jewelry stores were robbed in one night.
| A．accident | B．coincidence | C．incident | D．chance |