Missing the flight means _______ for another three hours.
| A．waiting | B．to wait |
| C．wait | D．to be waiting |
The Internet gives people the chance to have the information they look forward ____ to them quickly and cheaply.
| A．to deliver | B．deliver | C．to delivering | D．to delivered |
The woman pulled her hat low down ____ her eyes in order not to be recognized by the angry crowds.
| A．under | B．over | C．below | D．on |
___ help the people in the snowstorm in the south made him worried.
| A．Not known how to | B．Unknown what to do to |
| C．His knowing not how to | D．His not knowing how to |
--- Mary has a very low opinion of George .
--- It can’t be any worse than ____ of her.
| A．his | B．he | C．him | D．he does |
I smoke out of ____habit, not for ____pleasure, and I have had this habit for twenty years.
| A．a; the | B．the; a | C．/; the | D．/; / |