35.__________________you met the Englishman?
– Let’s go skating, shall we?--That’s not a good idea; the ice is too thin _____ your weight.
–Where do these books _____?--Put them back _____they were.
After a long time for many years, he is now _____.
–Don’t you think it a very nice motorbike?--Yes, but would you please ____ it on my lawn?
-- _____is that used for?---_____ the floor.