I hate travelling by air__________ you usually have to wait for hours before the
题型：不详难度：来源：
I hate travelling by air__________ you usually have to wait for hours before the plane takes off.| A．because | B．though | C．until | D．unless |
|
答案
| A |
解析
| because因为；though 虽然，尽管；until直到；unless除非，如果不。句意：我讨厌乘飞机旅行，因为在飞机起飞前你必须等上几个小时。结合语境可知选A。 |
举一反三
| We’re going to Suzhou Amusement Park in Linda"s card. You can come with us______you can meet us there later． |
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The rivers will become dirtier and dirtier ______ we take action to protect them.| A．since | B．if | C．until | D．unless |
|
--- Which do you prefer, tea____________ coffee?
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-- The boy can speak both English and Japanese ______ he is only ten.
-- Wow, what a clever boy!
A. if B. because C. though |
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