Let's _________ now.
A:go to home
B:to go home
C:go home
D:to go to
Peter eats much sweet food so he has a __________.
在通常状况下,氯气是一种黄绿色气体,密度比空气大,易溶于水,广泛应用于实际生产和生活中,在工业上,制取氯气的主要工艺流程如图: