﹣﹣﹣I think everyone should play a part in saving our environment．
﹣﹣﹣I agree．For example，there will be less air pollution_____we drive less．（ ）
A．ifB．soC．though
What's the weather like in Kunming， Lucy？
It's _____ hot _____cold． So Kunming is called"the Spring City"．（ ）
A．neither； norB．not only； but also
C．either； orD．both；and
﹣﹣﹣Why were you late for school this morning，Tom？
﹣﹣﹣I was about to go to school _________ it began to rain．（ ）
A．sinceB．whileC．asD．when
StorySign is____a useful app____it can make it easier for deaf children and their parents to read bedtime stories．（ ）
A．so…thatB．such…thatC．too…toD．as…as
he was very tired，he continued working in his office．（ ）
A．BecauseB．SinceC．Although
I won't stop loving English ___________ the sun rises in the west．（ ）
A．ifB．althoughC．becauseD．unless
I don't know he will come or not this afternoon．（ ）
A．ifB．whenC．whether
It is raining heavily，_____none of the students are late for school．（ ）
A．althoughB．butC．soD．because
﹣Time is up．I have to go now．
﹣Oh，it s raining heavily outside．You'd better wait here_____it stops．（ ）
A．untilB．whileC．since
________ English has a history of over 2，500 years，the first English dictionary didn't appear until the 17th century.
| A． |
Because |
B． |
Although |
C． |
Unless |
You don't need to take any cash（现金）when shopping.You may pay by________ Alipay （支付宝）__________WeChat（微信）.（ ）
| A． |
either；or |
B． |
neither；nor |
| C． |
not；but |
D． |
I was still feeling hungry I had eaten some sandwiches．（ ）
| A． |
so |
B． |
though |
C． |
since |
She dressed up everyone might notice her．（ ）
A．in order toB．in order that
C．although
"A white elephant"means something that is useless，___________ it may cost a lot of money．（ ）
A．unlessB．untilC．sinceD．although
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