It’s no use________ without taking action.
| A．Complain | B．Complaining | C．being complained | D．to be complained |
No ________ what you say, _______exists in three states.
| A．matter…matters | B．matter…matter |
| C．matters…matter | D．matters…matters |
He ________ the world record.
| A．failed to break | B．failed to breaking | C．failed breaking | D．failed broken |
You may use the book as you like, _______ you keep it clean.
| A．unless | B．so long | C．as long | D．so long as |
"Do you have any clothes to ______, Tom?" mother asked.
| A．wash | B．washing | C．be washed | D．washed |
When will you _______ me the money that was borrowed?
| A．pay | B．repay | C．pay for | D．repay for |