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 |
A left-luggage office is a place where bags ______ be left for a short time, especially at a railway station.
| A．should | B．can | C．must | D．will |
—Guess what! I have got A for my term paper.—Great! You ______ read widely and put a lot of work into it.
| A．must | B．should | C．must have | D．should have |
How I wish every family ______ a large house with a beautiful garden!
| A．has | B．had | C．will have | D．had had |
It has been announced that candidates ______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．may | D．shall |
—Well, I forgot to bring my dictionary here yesterday.—Actually you _____ it here. You were not allowed to use it.
| A．needn’t bring | B．needn’t have brought |
| C．didn’t need to bring | D．don’t have to bring |