— Don't ________. Listen to what the teacher is saying carefully.
— Yes, I see.
A:look around
B:look out
C:look up
①____;②____;③____;④____.
某同学依据对自家水稻田的实地调查,绘制了如下食物网简图。请你判断:
我国民间有句谚语:“水缸穿裙子,天就要下雨、”其中,“水缸穿裙子”是指盛水的水缸外表面出现了一层密密麻麻的小水珠、小水珠是由( )
菜—____、____
篮—____、____