—I can't hear clearly. Please ______ the radio a little.
—Just one minute. I'll do it right away.
A.turn on B.turn off C.turn up D.turn down
—The last Beidou GEO-3 ______ into space successfully on June 23, 2020.
—As Chinese, we feel proud of it.
A.sends B.sent C.is sent D.was sent
—I called you yesterday afternoon, but you didn't pick up.
—Sorry. I ______ an online class at that time.
A.take B.took C.is taking D.was taking
—Is Li Mei a teacher?
—Yes, she is. She ______ at a village school.
A.teaches B.is teaching C.taught D.will teach
—Super brain is a hit TV show recently. Which competitor do you like best?
—I think Zhao Jinhao is one of ______ competitors among them.
A.smart B.smarter C.smartest D.the smartest
—What would you like, juice or coffee?
—______. I just want a glass of water.
A.Both B.Neither C.Either D.None