—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 |
He’s perfectly to live in the mountain and paint pictures all day, though he is badly off.
| A．curious | B．proud | C．anxious | D．content |
The man was walking along the street he stopped and looked as ifwhether he was going in the right direction.
| A．when; seeing | B．when; to see | C．while; seeing | D．while; to see |
He wondered if he could slip out of the lecture hall without anyone .
| A．noticing | B．noticed | C．to notice | D．being noticed |
. –Tom, go to the office to fetch the papers. Who would you rather with you, Wang Lin or Li Feng?
---.
| A．have go; Neither | B．go; Neither | C．have gone; None | D．have to go; None |
A balloon as it is filled with air.
| A．is increased | B．increases | C．expands | D．is expanded |