______ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
| A．Would | B．Should | C．Can | D．Must |
After the president made an official announcement, she expressed her_____ opinion.
| A．personal | B．private | C．single | D．individual |
Roses are quite _____ flowers in English gardens.
| A．ordinary | B．common | C．usual | D．general |
When I opened the door, a parcel on the floor_____ my eye.
| A．met | B．caught | C．drew | D．attracted |
It takes a lot of______ to become a good swimmer.
| A．train | B．exercise | C．practice | D．performance |
After three months, these young students finally became used to the ______ of life in a big city abroad.
| A．speed | B．pace | C．rate | D．frequency |