We had better not __ them busy all day long.
| A．to keep | B．keeping | C．kept | D．keep |
The people are ______ young workers between the age of twenty and thirty.
| A．nearly | B．almost | C．mostly | D．most |
______ the day on, the weather got worse.
| A．With | B．Since | C．Which | D．As |
I’m pleased ______ should be done has already been done.
| A．with what | B．that that | C．by that | D．that what |
Do you know our town at all? No, this is the first time I ______ here.
| A．was | B．have been | C．came | D．are coming |
More than one hundred got saved from the fire _____ helicopter.
| A．in | B．with | C．by | D．from |