It is essential that these application forms__________ back as early as possible.
| A．must be sent | B．will be sent |
| C．should be sent | D．need be sent |
．In Australia there are over 140 species of snakes, many of ______ are extremely dangerous.
| A．which | B．that | C．them | D．those |
I remember seeing this kind of _______ product in _______ city of Shanghai, which is known as _______ Paris of the East.
| A．the; the; the | B．/; the; the | C．the; /; the | D．the; a; / |
— I was late for work this morning.
— _________. You started early, didn’t you?
| A．Why not? | B．So what? | C．How come? | D．Never mind. |
I don’t suppose Sabrina will agree, _______?
| A．do I | B．don’t I | C．will she | D．won’t she |
Jerry was very excited to see the playground ________ she used to play football ________ with lots of snow.
| A．where; covered | B．which; covered |
| C．/; covering | D．where; covering |