词汇与语法--- Can they live in water?--- No, they__________.
A: can
B: couldn’t
C: could
D: can’t
A: can
B: couldn’t
C: could
D: can’t
举一反三
- You can’t drive, _____ you? A: can’t B: can C: could D: couldn’t
- It__be cold in the winter. A: can B: can't C: could D: couldn't
- It__snow later.I'm not sure. A: can B: could C: can't D: couldn't
- Complete the conversation with can, can’t, could, or couldn’t.
- 2.Withoutwaterandair，human______ . A: can't live B: couldn't live C: not live D: don't live