Johnson likes to take down what happens every day in his diary. This ________ a habit of his.
A.had been B.was C.has been D.will be
With the development of science and technology, robot ________ in our families.
A.appear B.appeared C.will appear D.are appearing
Just a minute, Mom. I ________ a phone call. I'll take out the rubbish later.
A.answered B.answer C.am answering D.will answer
The twins didn’t go to the theatre, they ______ the light music all night.
A.have enjoyed B.will enjoy C.are enjoying D.were enjoying
Don’t return the video to Peter, I _____ it.
A.don’t watch B.won’t watch C.haven’t watch D.wasn’t watching
Ken _____ his jacket in the gym. He has to get it back.
A.left B.leaves C.is leaving D.was leaving