近年来，随着劳动用工制度的深刻变化，劳动关系领域出现了一些新情况，新问题，一些用人单位利用自己在劳动关系中的强势地位致使存在用人单位劳动合同签订率低，出现劳动争议时劳动者合法权益得不到有效保护；合同短期化，劳动关系不稳定等问题。为此要解决上述问题，构建和谐劳动关系，需要劳动者
| A．完善劳动合同制度 | B．不断扩大自身的劳动权利 |
| C．自觉履行劳动义务 | D．增强权利意识和法律意识 |
The company _______ a rise in salary for ages but nothing has happened yet.
| A．has been promising | B．had promised | C．promised | D．promises |
—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 |