Since the baby milk powder was found to be polluted, there has been universal doubt _____ other food products are safe _____.

arents are just too protective. They want to their kids from every kind of danger, real or imagined.

Most of the students in our class like to read China Daily, which________every day. [ ]

yed up too late every night, _____ to catch up with his classmates.

People on the grassland ofisnow Kazakstan were the first to achieve both riding and milking horses