The government requested that all the people ___________ in any indoor public area.
| A．not to smoking | B．not smoke | C．not smoking | D．to not smoke |
The windows haven’t cleaned for a long time. They need ______.
| A．to clean | B．to be cleaned | C．cleaning | D．B and C |
Our teachers are really ______. They often work in their office far into the night.
| A．open-minded | B．hard-working | C．self-confident | D．warm-hearted |
Visitors were at the pictures that the guide showed.
| A．amazed; amazing | B．amazed, amazed |
| C．amazing, amazing | D．amazing, amazed |
His grandparents were born in ______ Qing Dynasty, while he was born in ______ 1920’s.
| A．a; an | B．/;the | C．the; the | D．a; the |
—I didn’t mean _______ her.
—But talking like that means _______ her.
| A．to hurt; hurting | B．hurting; hurting |
| C．to hurt; to hurt | D．hurting; to hurt |