The food safety is a serious in many countries. People should try to solve it.
A. subject B. program C. problem D. opinion
-What is your mother doing, Linda?
-She ___________dinner in the kitchen now.
A.is cooking B.was cooking C.cook D.cooking
an, match, exciting, is, it, what
____________________________________!
has, gone, the, already, train
____________________________________.
there, noise, factories, is, much, near
____________________________________.
she, room, often, makes, tidy, her
____________________________________.