【题目】They had to drive very quickly in order to ____ the train.

【题目】The flag of China is __________.

【题目】—Is your friend a girl or a boy?

【题目】— Is this ________ card?

【题目】Thanks __________ your telephone number. Can I call you __________ the number?

【题目】They thought they ____ there on time.

【题目】There’s ___________ “w” and ___________ “h” in the word “who”.

【题目】I saw lots of people ____ for buses at the bus stop on my way to school.

【题目】The girl ____ long hair is my classmate.

【题目】—Hello, Mr. Brown. ___________ five students are my friends.