You can’t catch the charm of English poetry ___you understand its rhythm．
| A．if | B．unless | C．though | D．while |
Robert had __________ talent for dancing and he was ________ great success at the age of 18.
| A．a , 不填 | B．a, a | C．不填; 不填 | D．不填,a |
______ it rain tomorrow, we would have to put off the visit to the Water Cube.
| A．Should | B．Could | C．Had | D．Were |
According to a report, cigarette smoking ______ in all indoor public places in our province soon.
| A．will ban | B．have banned | C．will be banned | D．have been banned |
Come and see me whenever ________ .
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it will be convenient to you |
________ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．Compare | B．When comparing | C．Comparing | D．When compared |