It is essential that the contract __________ before other companies negotiate with them.
举一反三
- 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
- It is important to _________ that you know other people's opinions before you ask them.
- They hugged each other so tightly that no one could separate them. A: pull them together B: pull them in C: pull them down D: pull them apart
- I must look ________ these bills and check them before I pay them. A: back B: into C: for D: through
- The young， super-fit runners train for months before a competition and are contract to prominent sponsors like Nike and Adidas, who finance them and furnish them with a substantial support mechanism of money and equipment.