Each member country WTO must ___________ its laws and regulations and compete on the principle of fairness and cooperation.
| A．submit to | B．cater to | C．correspond to | D． relate to |
Teenagers ________ their sense of hearing because they always wear earphones.
| A．damage | B．are damaging |
| C．has damaged | D．will damage |
What the sick child needs most now ______ love.
| A．is | B．are | C．was | D．were |
Many people _________ lose one of their senses have made great achievements.
| A．who | B．whom | C．which | D．what |
—Do you mind my taking the books away ?
—________.
| A．Certainly , please do . | B．No , go ahead. |
| C．Yes , not at all . | D．No, please don’t. |
The reason for his success is ______ he worked very hard.
| A．why | B．that | C．whether | D．how |