I have to turn to my teacher for help, because this math problem is rather difficult______.
| A．worked out | B．to be worked out | C．working out | D．to work out |
Mistakes will happen. Accept _________ and learn from ________
| A．it; them | B．them; it | C．it; it | D．them; them |
—Peter and his brother are so alike．
—Yeah, I can’t tell one from ________．
| A．another | B．other | C．the other | D．others |
-- What did she say？
--- Oh，no
thing _______. She only wanted to give me a hand.
| A．in short | B．in fun | C．in use |
D．in particular |
—Do you know when Britain________war on Germany during the Second World War?
—In 1993，I suppose.
| A．announced | B．declared |
| C．fought | D．attended |
Parents often have their children_____ little housework so that they can have more time______.
| A．doing; studying | B．done; studied |
| C．to do; to study | D．do; to study |