David knocked at the door for nearly half an hour______Mary opened it, unwilling.
| A．when | B．while | C．until | D．before |
. --- Would you be _____ lend me your bicycle?
--- Sure.
| A．so kind as to | B．kind enough as to | C．very kind to | D．so kind to |
Towards evening, the patient opened his mouth as if _____ something to his son.
| A．said | B．say | C．to say | D．to have said |
“Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear.
| A．touched | B．touching | C．touch | D．to touch |
They looked forward with hope _____ a chance to receive further education.
| A．for getting | B．of getting | C．to get | D．to getting |
I regret _____ hard at school, or I would have succeeded in passing the exam.
| A．not to work | B．having not worked | C．to have not worked | D．not having worked |