(2015•北京)You won’t find paper cutting difficult ___________ you keep practicing it.
A. even if B. as long as
C. as if D. ever since
(2016•北京)My grandfather still plays tennis now and then, __________ he’s in his nineties.
A. as long as B. as if
C. even though D. in case
（题文）(2016•天津) ___________ the average age of the population increases, there are more and more old people to care for.
A. Unless B. Until
C. As D. While
(2015•湖南)It is a truly delightful place, ___________ looks the same as it must have done 100 years ago with its winding streets and pretty cottages.
A. as B. where
C. that D. which
①He is not the same that he was.
1.
②If he comes later, which is usual, for another time, we’ll not receive him.
2.
③When a pencil is partly in a glass of water, it looks even if it were broken.
3.
④The man looked as if he has been ill.
4.
①1. is known to all, fish can’t live without water.
②He saw the girl, 2. delighted him.
③Keep away from such persons 3.will do you no good.
④4. is often the case with children, Amy was better by the time the doctor arrived.
