Children under sixteen are not permitted to see such kind of films as __ bad for their mental development. A. was B. were C. is D. are 4. Many a child __ English when they are in kindergarten. A. learn B. learns C. learned D. have learned
【简答题】Application for a group tour of the White House must be submitted ________. A) exactly on the date of application B) at least 30 days in advance C) any day between Tuesday and Saturday D) 10 days befo...