单项选择题
Adults sometimes envy children who play all the time ______ they themselves have to work, rain or shine.
A．while
B．once
C．since
D．though
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
A person with the blood type AB can ______ any type of blood.
A．apply
B．recognize
C．receive
D．absorb
点击查看答案&解析
单项选择题
They promised ______ each other when they went to work.
A．get in touch with
B．getting in touch with
C．to get in touch with
D．to get touch with
点击查看答案&解析
相关试题
35（）
34（）
33（）
32（）
31（）