We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make...We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make sure

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We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make...We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make sure
We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make...
We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make sure

We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make...We can't ___the punctual arrival of trains in foggy weather.A be sure B guard C guarantee D make sure
选C,我们不能保证火车在雾天准时到达.
A的be sure通常是自己保证(做了或者会做某事),i am sure i can do it.
B的guard保护
C的guarantee保证
Dmake sure通常是要求别人的保证

正确答案为 C guarantee vt. 保证
举例:
We guarantee you delivery within one day.
我们保证你在一日内收到。
另外:
be sure of something
guard 保护,保卫

C 保证

A

C
保证
雾天我们不能保证火车正点到达
be sure/make sure +of +动名词或名词,意为“确信……”“对……有把握”。或者+that 从句
guard 保护

C .guarantee is the answer!
A .be sure of sth.而且其否定形式,一般会直接在be后加not
B . guard 一般是保卫,保护的意思。
D.make sure后一般加从句,而不加名词性短语