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1.There ________ a computer in everyone's home in the future

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1.There ________ a computer in everyone's home in the future.
A.will have B.will has C.will be D.is
(能给我讲讲什么时候用will hava 什么时用will )
2.The teacher asked us to be _______during the exam
A.care B.careful C.carefully D.careless
说明原因.
1.There ________ a computer in everyone's home in the future
1.选C,there be是固定搭配,表示“有”的意思,所以即使将来时也要把will差劲there与be之间,即,there will be,不能用there will have,如果there 表示“那里”的话,就用will have,表示那里有.,而此句明显是未来每个家庭都会有一台电脑,并不是那里的意思,所以用there will be
2.选B,be careful,认真仔细,修饰人的,意思是考试要小心仔细,没有be carefully.