Sorry, I do not break the plate ________________
| A．on purpose | B．on the purpose | C．in purpose | D．in the purpose |
“Life is like walking in the snow，”Granny used to say，“because every step ________.”(2012·新课标全国)
| A．has shown | B．is showing |
| C．shows | D．showed |
He was unhappy when he sold his guitar.After all，he________it for a very long time.
| A．has had | B．had had |
| C．has | D．had |
—Oh no! We're too late.The train________.
— That's OK.We'll catch the next train to London.
| A．was leaving | B．had left |
| C．has left | D．has been leaving |
—Could I use your car tomorrow morning?
—Sure.I________a report at home.
| A．will be writing | B．will have written |
| C．have written | D．have been writing |
Generally，students' inner motivation with high expectations from others________essential to their development.
| A．is | B．are | C．was | D．were |