China has invested 15.2 billion yuan so far this year to support pig keepers, in a(n) _______ to ensure enough pig supplies.
. This is Mr. Smith, ____ has something important to tell you. A. who I think B. I think who C. he thinks D I think he
. I _____ the boy to save money for the future, but he wouldn’t listen.
. The letters WHO _______ the World Health Organization.
. The conference has been held to discuss the effects of tourism _____ the wildlife in the area.
. In order to make our city green, ____.