Though I have often heard this song _______. I have never heard you _______ it.
| A．being sung, sang | B．sang, singing |
| C．sung, sing | D．to be sung, to sing |
Atlasttheygottheletterthey____________．
| A．haveexpected | B．wereexpecting | C．hadexpected | D．hadbeenexpecting |
__________thetopofthepagoda(塔),thesceneryofthewholecitycanbeseenclearlyunderyourfeet.
| A．Viewing | B．Viewed | C．Seeing | D．Tobeseen |
WhenIvisitedthecityofRome，Ifoundthebuildings，squaresandparks_____________inverydifferentstyles．
| A．tobedesignedandbuilt | B．todesignandbuild |
| C．designedandbuilt | D．designingandbuilding |
Hecametothemeeting_____________hisseriousillness．
| A．inspite | B．evenif | C．asaresultof | D．despite |
Theprofessorsaidthatyourdiscoverywas_____________．
| A．ofgreatvalue | B．greatvalue | C．greatlyvalued | D．ingreatvalue |