I first met Lisa three years ago. She ________ at a radio shop at the time.
A. worked B. was working C. has worked D. has been working
. As a volunteer, he often goes to the hospital to ________ the sick.
A. cheer up B. fix up C. set up D. put up
_______ of the students will take part in the sports meeting.
A. Three five B. Three fives C. Three fifth D. Three fifths
Trees and flowers ________every year to make our country more beautiful.
A. is planted B. was planted C. are planted D. were planted
—Mr. Smith, would you please speak a little more ________?
—Sorry! I thought you could follow me.
A. quietly B. slowly C. quickly D. politely
—Liu Qian is good at doing the tricks with the cards.
—Yes, but if you watch carefully, you can see _______he does them.
A. who B. what C. which D. how
