It is difficult to ______ a conversation

搜题请搜索小程序“爱下问搜题”

问题选择题

It is difficult to ______ a conversation with someone who only says "Yes" and "No". [ ]

A. keep up

B. take up

C. make up

D. pick up

答案

答案：A

填空题

The average number of p，q，r is 4，and average number of p，q，r，x is 5，then x=______．

（英文词典：average number平均数）

单项选择题

在Flash中，打开样本面板的快捷键是（）。

A、F9

B、Ctrl+I

C、Ctrl+F

D、Shift+F9