I can’t forget the time _______ the earthquake happened in Yushu.
| A．when | B．which | C．that | D．where |
--Can you help me to _____ my dog when I leave for Hong Kong? -- Sure.
| A．look after | B．look for |
| C．look at | D．look through |
She said she had some trouble ___________ her homework.
| A．finish | B．finishing |
| C．to finish | D．Finished |
Our country _______ a lot in the last fifty years.
| A．will change | B．changed |
| C．changes | D．has changed |
My mother_______ if she ________her work this week．
| A．comes back；finishes |
| B．comes back；will finish |
| C．will come back；finishes |
| D．will come back；will finish |
There _____ an eraser, two books and three pens on the desk.
| A．have | B．are | C．is | D．be |