A
make a ______ 做决定
decision
a person who works in an office
secretary
decide ___ sth 决定做某事
to do
go _____ 去冲浪
surfing
___ the Internet 上网
surf
amount
keep a ____ 保密
secret
phr.网络购物
online shopping
________ coins 收集硬币
collect
personal _____ 个人信息
information
a person who collect things
collector
He has a large c_____ of stamps.
collection
study ______ 线上学习
online
a_____ the concert to attract more people
advertise
n.广告
advertisement