Being happy is a skill that can be learned like a foreign language, and one way to ______ ourselves to be happy is to write down the little things that cheer us up each day.
| A．convey | B．appeal | C．train | D．attempt |
Cindy and Tom like singing and dancing, but _____ students in the class go in for sports.
| A．others | B．the others | C．the other | D．another |
Do you know why _____ penguins living on _____ South pole are so popular with children?
| A．the; the | B．/ ; the | C．the; / | D． / ; / |
If you plant watermelon seeds in the spring, youfresh watermelon in the fall.
| A． | eat | B． | would eat | C． | have eaten | D． | will be eating |
Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky,？
| A． | though | B． | also | C． | either | D． | too |
-- According to my grandma, it is a good idea to eat chicken soup when you have a cold.
-- __ , scientists agree with her.
| A．Sooner or later | B． Once in a while |
C．To be exact | D．Believe it or not |