Failure can make a positive contribution to your life______you leam to use it．
| A．since | B．unless | C．until | D．once |
This test ___________ a number of multiple choice questions.
| A．is consisted of | B．consists of | C．compose of | D．is made of |
She went out with the door unlocked by _ although she knew early that it would result in theft.
| A．accident | B．intention | C．chance | D．purpose |
He waited for __________ seemed like an hour before he finally got the ticket.
| A．what | B．which | C．that | D．it |
John speaks English ___________, if not better than, David.
| A．as well | B．as well as | C．so well | D．so well as |
------what do you think of the shirt I bought?
------It is not only good __________ but also reasonable in price.
| A．with quality | B．in quality | C．of a quality | D．in a quality. |