________ everyone else wouldn’t go to the mountain area, he went without a second thought.
| A．As long as | B．While |
| C．Where | D．In spite of |
________ the plan has been made, let’s get down to ________ it out.
| A．Now that; carry | B．Because; carry |
| C．Since; carrying | D．Now; putting |
—The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.
| A．unless | B．though | C．whether | D．until |
The meeting had been on for half an hour _______ Miss Yang turned up.
| A．while | B．As | C．Unless | D．before |
I had walked a few steps _______ I realized that I was lost in the thick fog.
| A．unless | B．Before | C．When | D．since |
Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.
| A．until | B．but | C．unless | D．for |
The uniform makes us look like a bunch of clones, especially _______ we are doing morning exercise in the playground.
| A．since | B．which | C．As | D．when |
.A man may usually be known by the books he reads _______ by the friends he keeps.
| A．as well as | B．as if | C．as soon as | D．as usual |
---The vase cost me almost 100 yuan.
---Well, it was crazy of you to spend so much money _____you could buy a much cheaper one.
| A．while | B．if | C．because | D．when |
.Jennifer didn’t attend the important conference,and that’s _________she hadn’t been gotinformed of it.
| A．why | B．the reason | C．because | D．for |
Feathers fall to the ground slowly,________ stones fall much faster.
| A．but | B．however | C．while | D．yet |
—I’m going to the office.
—________ you’re there,can you get me some stamps?
| A．As | B．While | C．Then | D．Where |
________ you’ve got a chance,you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
It’s really very dangerous.One more step,________the baby will fall into the well.
| A．or | B．so | C．and | D．but |
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