The instructor won"t give them any help ______ absolutely necessary.
A: when
B: if
C: unless
D: once
A: when
B: if
C: unless
D: once
举一反三
- I won’t give you any help ____ you tell me the truth. It’s none of my business. A: unless B: since C: if D: even if
- I____the operation unless it is absolutely necessary.
- I won't give you more money ______ you have special reasons. A: unless B: after C: when D: if
- I won’t give you any help _________ you tell me the truth. It’s none of my business.
- I won’t pay them ______ they work harder. ( ). A: if B: in case C: unless D: lest