Researchers have suggested that a foreign sugar molecule on a cell surface might stimulate the _________ to destroy it.
举一反三
- sugar molecule
- Mateo: Do we have to read this? Teacher: No, you _________ have to read it. But it might be a good idea.
- ___ you have got a chance, you might as well make full use of it.
- Where is my key? I（ ） it.。 A: might lost B: would have lost C: should have lost D: must have lost
- In Britain tea ___ with milk or sugar in it.