【题目】Scientists are trying to find a new ______ to solve the environmental problem.

【题目】In America Thanksgiving Day is on ______ Thursday in November.

【题目】Your ______ are the members of your family, such as your uncle and your aunt.

【题目】This cup is made of ______ china, not ______ plastic.

【题目】— Please tell me ______ for breakfast?

【题目】— How soon will I get to the Grand Canyon?

【题目】When you break the rules, you should ______ to your teacher.

【题目】What a sunny day! We should have a picnic ______ watching TV at home.

【题目】My family always go somewhere interesting ______ the holiday begins.

【题目】Dr Bethune came to China ______ the Chinese people and died for them.