If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
| A．by; by | B．with; with | C．on; with | D．by; with |
The little boy was allowed to go swimming _______ he kept near the other boys.
| A．provided that | B．in case | C．now that | D．by the time |
—It’ll take me at least 2 hours to do this!
—Oh, _______! I could do it in 30 minutes.
| A．come on | B．pardon me | C．you are right | D．don’t mention it |
Although the working mother is very busy, she still ____ a lot of time ____ children.
| A．devotes…on | B．devotes….to | C．spends…to | D．spends…in |
Don’t be angry with the little boy! He broke the window ________.
| A．on purpose | B．at once | C．in surprise | D．by accident |
There was a big forest fire last week, but nobody knows how it.
| A．took place | B．turned up | C．broke out | D．broke up |