—Look! Someone ________ the floor.
—Well, it wasn't me. I went shopping just now.
| A．had swept | B．has swept |
| C．was sweeping | D．is sweeping |
Many scientists have believed that there may be a _________of life on the Mar．
| A．mark | B．signal | C．sigh | D．sign |
Steve Jobs’ death _______ quickly and soon became the talk of the whole world.
| A．expressed | B．spread | C．performed | D．whispered |
I think the English song is _________ worth _________ again.
| A．very; listening to | B．very; listening | C．well; listening to | D．well; listening |
New technology is being ________ almost every industrial process.
| A．applied for | B．applied in | C．applied of | D．applied to |
A Du’s unique voice ________ especially to young people.
| A．attracts | B．draws | C．catches | D．appeals |