It’s polite ______ “Thank you” when you receive something from someone.
| A．says | B．say | C．saying | D．to say |
It is _________ difficult work that we can't finish it in a short time.
| A．so a | B．such a | C．so | D．such |
I still remember the village ________ I grew up.
| A．where | B．which | C．in that | D．/ |
Do you know if _______ back next week ? If he ________ back , please let me know .
| A．he will come , comes | B．will he come , came |
| C．he comes , will come | D．he will come , will come |
The young trees should______ as often as possible.
| A．take care of | B．be take care of |
| C．be taken care of | D．be taken care |
We prefer ________at the party to________.
| A．to sing, dance | B．singing ,dancing |
| C．to sing , dancing | D．sing, dance |