Section C Why does sea water become saltyBecause people throw __________into the ocean and sea.
Section B Conversation 1
A native of the city.
B. A stranger to the place.
C. A visitor to the woman’s family.
D. An old friend of the woman.
He was just talking to me and he said he was getting ready to drive over to see you.
Section A
A. She’s not efficient.
B. She’s often late.
C. She’s capable.
D. She’s honest.
微信支付 
支付宝支付