You____________ television. Why not do something more active?
| A．always watch | B．too small a car |
| C．have always watched | D．have always been watching |
—Is the television advertisement working？
—Yes.orders are coming.
| A．None | B．Some | C．Few | D．More |
Theof surfing the Internet is how you can tell whether the information is true or not.
| A．ability | B．competition | C．challenge | D．knowledge |
Gun control is a subject_____ Americans have argued for a long time.
| A．of which | B．with which | C．about which | D．into which |
Ladies and gentlemen, please remain_____ until the plane has come to a complete stop.
| A．seated | B．seating | C．to seat | D．seat |
As is often said, a friend is to man_____ water is to fish.
| A．what | B．as | C．that | D．which |