Part 2 Vocabulary and Grammar ( 第二部分词汇和语法)Choose the best answer (选择最恰当的答案):(共26分)31. There will be _interview between the manager and his assistants this afternoon.A. an B. a C. the D. /32. Do you know whose this pair of _is?A. taxis B. flowers C. jeans D. umbrellas33. Though I had spent much time_ maths, still I got a “C” in the last test.A. for B. in C. on D. with3