I saw a strange cloud ___________ questions __________ it in the game.
Stamps are usually used _____letters.
—Is your brother a League member?—Yes, he____ the League three years ago. He____ a League member for three years
Harry Potter is an___ book for children, but my cousin doesn’t seem at all_____ in it.
—What do you think of tomorrow’s football match?—_____ difficult for us_____ the match.
Although he was a child, he tired to find ways ________ people ________ life more.