Alex，________ up your hands if you want to go for a picnic this weekend.
A.puts B.put C.to put D.putting
The Great Wall is ________ famous ________ lots of visitors all over the world come to visit it every year.
A.such，that B.too，to C.so，that D.too，that
—I have shown you all the interesting and important places of our school.
—Thank you for ________ so much time.
A.taking B.spending C.costing D.having
—Do you mind my smoking here?—_______. You can go to smoke in the next room.
A.Yes，please B.Never mind C.Of course not D.You’d better not.
Of all the boys, John does his homework ______.
A. more careful B. the most careful C. more carefully D. the most carefully
________ he is very tired，________ he sill works in the factory.
A.Although,but B.But，although C./，although D.Although，/
