单项选择题

A．New technology is being employed.
B．Advertisements are being widely used.
C．New designs are being adopted.
D．More synthetic materials are being introduced.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Because they did not eat other animals.B．Because they were useful for protection.C．Because they were good hunters.D．Because they always obeyed their masters.
A．Because they did not eat other animals.
B．Because they were useful for protection.
C．Because they were good hunters.
D．Because they always obeyed their masters.
单项选择题
A．His telephone went out of order.B．The buyers had to leave soon.C．He began to work at 8 a.m.D．He had made an appointment with her for 8 a.m.
A．His telephone went out of order.
B．The buyers had to leave soon.
C．He began to work at 8 a.m.
D．He had made an appointment with her for 8 a.m.
相关试题