--- ______, or we'll be late for the meeting.
--- It's only half past one by my watch. We have enough time left.
A:Hurry up
B:Don't worry
C:Never mind
D:Be quiet
如图所示,在小烧杯乙和丙中分别放入不同的物质后,立即用大烧杯甲罩住小烧杯乙和丙。下列有关说法错误的是( )
我观察最细,比一比组成词语。
大 ____ 太____ 上____下____ 小____牙____