It is essential that the contract __________ before other companies negotiate with them.
A: must be signed
B: is signed
C: be signed
D: to be signed
A: must be signed
B: is signed
C: be signed
D: to be signed
举一反三
- We regret to tell you that the contract ________ by our two companies has to be revised. （ ） A: being signed B: to be signed C: having signed D: signed
- It is essential that the contract __________ before other companies negotiate with them.
- It was suggested that the agreement _____ before the end of the year. A: be signed B: was signed C: would be signed D: had be signed
- It is desirable that the agreement ______ before the New Year's Day. A: was signed B: is signed C: be signed D: D. has been signed
- 翻译：Their price was reasonable, for which we signed a contract with them.