The pyramid ________how many years ago，do you know?
| A．dated back to | B．dated from |
| C．dates back | D．dates back to |
—Why does the river smell terrible?
—Because large quantities of water__________．
| A．have polluted | B．is being polluted | C．has been polluted | D．have been polluted |
Months ago we sailed ten thousand miles across the open sea, which_____ the Pacific,and we met no storm.
| A．was called | B．is called | C．had been called | D．has been called |
—Why didn’t you buy the calculator?
—I ______, but Mother ______ allow me.
| A．would want to; didn’t | B．had wanted to; didn’t |
| C．wanted to; wouldn’t | D．had wanted to; wouldn’t |
—Tom, you didn’t come to the party last night?
—I ______, but I suddenly remembered I had homework to do.
| A．had to | B．didn’t | C．was going to | D．wouldn’t |
As your spoken English gets better, so_____ your written English.
| A．will | B．does | C．is | D．has |