— Would you like to go shopping with me now?
— Sorry, I have to finish my homework before supper.
A:might
B:must
C:can
如图是大跃进时期的一幅宣传画,它反映了( )
观察《对外开放示意图(局部)》,我国最早设置经济特区的省份是
图为“探究馒头在口腔中的变化”的实验设计,图中试管均置于37℃温水中10分钟。