A.根据句意及所给的汉语提示，写出单词的适当形式，使句子的意思完整、正确。

 83. We begin to learn _____________(物理)this term. And I like it very much.

 84. My best friend Betty often ____________(提供) help to me.

 85. _____________(主席) Xi does many things for the Chinese people.

 86. His talk was so__________(乏味的) that we didn’t want to listen any more.

 87. After two weeks’ hard work, we _________(终于) finished the work.

B.根据句意用括号中单词的适当形式填空，使句子的意思完整、正确。

 88. Can you talk about your___________(day) life in English?

 89. The boy kept __________(ask) his parents to buy him a Nike jacket.

 90. The teacher told the students to do their homework by ___________(they).

 91. On Friday afternoon, our school ends ___________(early) than usual.

 92. ________(lucky), her neighbour saved her out of the fire.