There are many kinds of birds in Australia,and over 140 species of snakes,many of
____are extremely dangerous.
| A．them | B．which |
| C．what | D．those |
I went along thinking nothing ___________, just looking at things around me.
| A．in brief | B．in doubt | C．in particular | D．in harmony |
—Do you think I should accept his invitation, Jim?
—If I were you, I certainly would.
| A．None of your business. | B．It depends. |
| C．Why not? | D．I don't think so. |
Fully __________ in looking after three children at home, she no longer has time to enjoy the various activities in the club.
| A．occupied | B．contributed | C．attached | D．devoted |
Never stop doing ___________you are fond of.
| A．no matter what | B．whatever | C．if | D．that |
Hearing a scream, I rushed downstairs only to see my hostess ___________on the floor.
| A．lain unconscious | B．lying unconscious |
| C．laid unconsciously | D．lying unconsciously |