Kelly’s main job is _____ the message about protecting the environment.A. helping spread B. to help spreading C. to help spread
Last year,the population of that city 7,120,000. A.was B.were C.has
In our class, about of the students are girls. A.three fifth B.third fifths C.three fifths
One-child policy has controlling China’s population. A.did well in B.worked good in C.worked well in
Mrs White isn’t here. She London. A.has been to B.has gone to C.has gone
— _______ Mr. Wang. Can you pass the dictionary to me, please? —Certainly.