— I’ve taken someone else’s green sweater by mistake.
— It ______ Harry’s. He always wears green.
| A．has to be | B．will be | C．mustn’t be | D．could be |
Since Tom ______ downloaded a virus into his computer, he can not open the file now.
| A．readily | B．horribly | C．accidentally | D．irregularly |
Alan is a careful driver, but he drives ______ of my friends.
| A．more carefully | B．the most carefully | C．less carefully | D．the least carefully |
We had wanted to finish our task by noon, but it didn’t quite _____ as planned.
| A．find out | B．give out | C．hand out | D．work out |
--Can thoseat the back of the classroom hear me?
| A． | seat | B． | sit | C． | seated | D． | sat |
The Department is also deeply _____ in various improvement schemes.
| A．connected | B．included | C．involved | D．implied |