【题目】It is quite an（非正式的）gathering; you needn't dress up for it.

【题目】The black people in some countries are still struggling for true （平等） with the whites.

【题目】With time （有限），we didn't do enough preparation for this examination.

【题目】What will the man do on Sunday?

【题目】Where will the two speakers go?

【题目】The hospital called in the patient's family because the operation was too （冒险的）.

【题目】Where are the speakers?

【题目】Where does the conversation take place?

【题目】The president （简短地） introduced the economic and social development of the country.

【题目】Membership of this club is open to those who are its aim.