I want to know _________ you will come back at 8:00 tomorrow.
| A．that | B．when |
| C．where | D．whether |
It is necessary to help____________ poor.
| A．a | B．an | C．/ | D．the |
Lu Xu is known_________ a great writer and thinker.
| A．by | B．for | C．as | D．with |
You have done an important job people must be really grateful to you .
| A．so… that | B．such… that | C．too … to | D．enough …. to |
Bylocal doctors and nurses ,we hope to help even more people .
| A．training | B．trained | C．train | D．to train |
We’ll have a _______holiday. What about going to the Great Wall?
| A．three days | B．three-day | C．three-days | D．three-days’ |