一 What if someone calls you when you are out?
一 Well. If anyone calls, tell him I'll come back soon.
下列关于实验基本操作的叙述中,正确的是()
给下划线字选择正确的拼音。
挑战(tiāo tiǎo)____ 朝代(cháo,zhāo)____
挑选(tiāo tiǎo)____ 朝夕相处(cháo,zhāo)____