The speech was wonderful ______ it lasted too long．
| A．as if | B．for | C．except that | D．except when |
Scientists say it will be five or six years ________ it is possible to test this medicine on humans．
| A．after | B．before | C．since | D．When |
The speaker raised his voice _____ make himself _____ by the listeners．
| A．so that; heard | B．in order to; hearing |
| C．so as to; heard | D．to; to be heard |
The charity sale our school organizes every year has taught us much that we would never have ________ learned in class.
| A．therefore | B．meanwhile | C．otherwise | D．instead |
1 think we'd better keep to the subject, ______we'll waste our time．
| A．and | B．or | C．but | D．so |
I still remember my first teacher we haven’t seen each other for many years
| A．for | B．because | C．since | D．though |
Lin is never ashamed of what she does,_________ she ends up doing something wrong.
| A．as though | B．even if | C．in case | D．for fear |
Today, when scientists examine mummies, they wear special clothing for protection _____ they breathe in harmful gas.
| A．even though | B．in case | C．until | D．unless |
When _____ what is most important in life, some choose money, ____ others choose friendship.
| A．to decide; and | B．to decide; because |
| C．deciding; / | D．deciding; while |
________ much media attention is paid to the topic of raising children or caring for elderly parents in their final years, it seems ________ not much is explained on being a parent.
| A．While; that | B．As; like |
| C．Because; that | D．Since; / |
To be great, you must be smart, confident, and, honest.
| A．therefore | B．above all |
| C．however | D．after |
Jim sold his car_______ he could enjoy a healthier life style.
| A．since | B．unless | C．so that | D．even though |
____ she finds out that you’ve lost her book?
| A．What about | B．How about | C．How if | D．What if |
—How can I wake up so early? —Set the alarm at 5：00 a．m., ________ you will make it.
| A．and | B．but | C．or | D．so |
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