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【題目】It's very hard for us ________the man from Africa.

【題目】I often share my happiness ________my classmates.

【題目】Anna is going on a tour of Xi’an, and she wants to _____Chinese history.

【題目】Hu Ge, an excellent actor, has decided ________in America for some time.

【題目】To my surprise, I ________ from hundreds of students to speak to teachers, parents and fellow students.

【題目】In the end, he decided to send the child to the hospital.

【題目】There are many tall trees on ________ side of the river.

【題目】It is important _________ us to make full use of time.

【題目】Our small change can make ________big difference to our environment.

【題目】—I feel a bit hungry now.