—You can’t imagine ____ fantastic fun web chatting is.
—Really? But it may cause a lot of trouble sometimes.
| A．what | B．how | C．why | D．so |
________ you are interested in astronomy, you can read the book.
| A．Even if | B．Now that | C．Unless | D．As soon as |
After the new technique was introduced, the factory produced ______ tractors in 1998 as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
—Do you know the tall man ______ to Mr. King over there?
—Sorry, I don’t know him.
| A．to speak | B．speaking | C．is speaking | D．has spoken |
. Can you ______ your sister from that group of girls?
| A．bring out | B．pick up | C．pick out | D．bring up |
Because of her fear of flying, Alice would rather take a long train journey ______ travel by air.
| A．as | B．to | C．than | D．while |