The _____________ we do our homework, the __________ mistakes we will make
| A．more careful, less | B．more carefully, less |
| C．more carefully, fewer | D．more careful, fewer |
一Is the girl ______ is interviewing the manager of that company your friend?
一Yes , she is a journalist from CCTV.
| A．whom | B．which | C．who | D．whose |
Don’t be afraid of asking for information ______it is needed.
| A．when | B．after | C．although | D．unless |
I want to know ______ do to help my neighbour.
| A．what I can | B．what can I | C．how I can | D．how can I |
It’s important ______ the piano well.
| A．of him to play | B．for him to play | C．of him playing | D．for him playing |
This kind of food _____ cool, clean and dry according to the instruction.
| A．should be carried | B．must be put | C．should be placed | D．must be kept |