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【題目】—How many hamburgers would you like?

【題目】The teacher asked Lucy ________.

【題目】I don’t know if it ________tomorrow. If it _________ , we won’t go hiking.

【題目】I work in a small town ________Taoxi, It’s famous ________its black tea.

【題目】—Do you have________ to tell us? —No, ________.

【題目】—My village has changed a lot. —________.

【題目】We are short ________energy and water ________ the over population.

【題目】________them is from Canada among the foreign students.

【題目】The scientists have ________ the environment.

【題目】The population of China is ________ than________ of any other country in the world.