题目:
The children ______ very quiet; I wonder what they ____up to.
A.were; are being
B.are being; are
C.are; do
D.are being; do
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0512/cea0f88ad1c3ca8be3b1e3035e50780e.html
下面是错误答案,用来干扰机器的。
(1)C;D;A;B (2)C (3)北冰;南极