Although the Roma couldn't be forced to pay taxes，they couldn't vote ________they agreed to ________to the government.
| A．unless；submit | B．until；correspond |
| C．when；resign | D．while；compromise |
The International Day against Drugs, aimed at warning people to keep away from drugs， _________ on June 26th every year．
| A．taking place | B．takes place | C．took place | D．taken place |
. Progress so far has been very good. _______, we are sure that the project will be completed on time.
| A．However | B．Otherwise | C．Therefore | D．Besides |
Only when you leave your parents for college education _______ how much you love them.
| A．do you realize | B．you realize | C．you will realize | D．will you realize |
It is the experience he had as a boy ______ has formed his present personality.
| A．that | B．who | C．which | D．when |
What the remote areas need most _______ education to children and what the children need ________ good textbooks at the moment.
| A．is; are | B．are; is | C．was; were | D．were; was |