单选题 Don’t ______ the bus until it stops completely. It’s dangerous.

单选题 We should protect the ______ around us. Don’t throw rubbish everywhere.

单选题 The ______ of this city is over 10 million. It’s a big city in China.

单选题 —I forgot my ______. Can I borrow yours to write down the notes? —Sure, here you are

单选题 —What’s your favorite ______ at school? —English. It’s useful and interesting.

单选题 My cousin wants to be a ______ because she likes helping sick people.

单选题 There is a big ______ near my home. We often buy vegetables and fruit there.

单选题 —I got a ______ from my pen pal in America yesterday. —What did he write about?

单选题 —What a beautiful ______! The flowers are in full bloom. —Thank you. My grandma takes good care of it.