Chinese _________ by Miss Wang three years ago.
A. taught B. was taught C. is taught
—My aunt said she called you yesterday morning, but there was no answer.
—Oh, we were at home. Maybe my husband with me my car in the garden.
A. were washing B. had washed
C. was washing D. Washed
—Don't forget to come to our school assembly(集会)tomorrow morning.
—I won't. I just now.
A. reminded B. was reminded
C. reported D. was reported
silk feels soft and cool, it's difficult to be taken good care of.
A. Because B. Though C. Since D. As
—Is David coming by train?
—He should, but he not. He likes driving his car.
A. can B. need C. must D. May
—The air pollution is terrible.
— It will be worse ________ we take action to protect the environment.
A. if B. unless C. until D. When
