The old ____well looked after by the government in China.
| A．is | B．are | C．has been | D．was |
The old woman stood still with her eyes _________ the picture.
| A．fixing in | B．fixing on | C．fixed in | D．fixed upon |
I can’t remember _____ made the teacher give Mary the permission to leave the class earlier.
| A．that it was what | B．what it was that | C．what was it that | D．that was it what |
The thief was brought in, his hands ____________ behind his back.
| A．had been tied | B．tied | C．being tied | D．having tied |
---Would you have helped her had it been possible?
---Yes, but I __________ busy with my work.
| A．was | B．had been | C．have been | D．am |
It’s __________ great fun to talk with you.
| A．a | B．the | C．/ | D．an |