【题目】—How often do I need ________ the bird?

【题目】My parents want to invite some friends ________ dinner with us.

【题目】--Look at the girl in the square!

【题目】—I’m going to the picnic this weekend.

【题目】_______ the age of fifteen, she had written scores of articles for a newspaper.

【题目】When we’re on a bike, _________ the risk of an accident.

【题目】David is from the UK, but he can_________much Chinese.

【题目】Bill can play_________violin, but he can't play_________basketball.

【题目】There’s an old saying, “Never offer _________ fish to swim.”

【题目】I_________ Ken. Jenny and Mary_________ good fiends. Jack ________their teacher.