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【简答题】
设集合 ，则集合M中所有元素的和为 ▲ .
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皮皮学刷刷变学霸
举一反三
【单选题】The only trouble with young drivers is that
A.
they tend to own sports ear.
B.
they are too proud of their ears.
C.
they soon become like the older ones.
D.
they think they are on the battlefield.
【简答题】Don't pretend to know. You don't know it. Don't pretend not to know. You really know it.
【单选题】—Remember not to pretend to know what you don’t know. — _____. My last lesson is still fresh.
A.
No, I will
B.
No, I won’t
C.
Yes, I won’t
D.
Yes, I will
【单选题】Don’t pretend _____.Look!You are holding your English book upside down.
A.
to read
B.
to have read
C.
to be reading
D.
reading
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