Dr. Smith failed many times but he finally ______ to find a successful way to solve the problem.
A: broke off
B: broke down
C: broke out
D: broke through
A: broke off
B: broke down
C: broke out
D: broke through
举一反三
- He was living in France when the war ______. A: broke off B: broke into C: broke out D: broke through
- Those physicians and specialists ________in their fight against heart disease. A: broke down B: broke off C: broke out D: broke through
- The negotiations ______because neither side would compromise. ( ) A: broke out B: broke down C: broke through D: broke in
- I'm sorry to arrive late, but the car______. A: broke back B: broke down C: broke off D: broke through
- When he heard the bad news, he ______ completely. A: broke away B: broke up C: broke down D: broke out