The science of medicine, _____ progress has been very rapid lately, is perhaps the most important of all the science.
| A．all whose | B．all what | C．all that | D．all which |
The latest data put forward by the states suggested that the business ___ improving.
| A．was | B．be | C．being | D．should |
---Can I help you, sir? ---Yes. I bought this radio here yesterday, but it _____.
| A．didn't work | B．wouldn't work | C．can't work | D．doesn't work |
As everybody knows, Hong Kong used to be _____ part of _____ British Empire．
| A．不填; a | B．a; the | C．不填; the | D．the; 不填 |
The manager decided to give the job to ____he believed had a strong sense of duty .
| A．who | B．whom | C．whomever | D．whoever |
Some friends tried to settle the quarrel between Mr. and Mrs. Brown without hurting the feeling of____, but failed .
| A．none | B．either | C．both | D．neither |