--Are Mr and Mrs Wang living alone in the house?
---Yes, they have three sons, but______of the sons live with them.
| A．neither | B．both | C．all | D．none |
We had _______ 8-day holiday during this National holidays, but some of us felt unhappy because of _________heavy traffic on the highways.
| A．an, the | B．a, the |
| C．a, a | D．an, a |
I found ______ difficult to learn English
| A．it’s | B．it | C． that | D．this |
The young man is ______ carry the heavy bag
| A．strong enough to | B．enough strong to |
| C．not enough to | D．strong enough |
Although Jim loves KFC, he tries _____ it too often
| A．to eat | B．not eat |
| C．to not eat | D．not to eat |
When the teacher came in, the students ______ about the film
| A．are talking | B．were talking |
| C．talked | D．talks |