．Chen Chunlong is a hero of _______Liaocheng can be proud.
| A．who | B．whom | C．that | D．which |
Don’t mind too much aboutmistakes. They arenatural part of learning.
| A．不填；不填 | B．the; a | C．不填; a | D．the; the |
—Have you paid the rent of the house?
—The rent of the house?.
| A．That isn’t due yet. | B．Are you sure? |
| C．The house needs repair. | D．Please remember the amount. |
It is generally considered unwise to give a childhe or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
—Why didn't you remind him of the possible danger?
—But what ____ otherwise? He never listens to me．
| A．could I do | B．could I have done | C．should I do | D．must I have done |
—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
| A．worked | B．has worked | C．had worked | D．has been working |