If a better material______, the strength of the part would have been in- creased.
A: had been used
B: had been using
C: being used
D: using
A: had been used
B: had been using
C: being used
D: using
举一反三
- If he _______ in better health, he ________ abroad to study. ( ) A: is…had been sent B: were, could be sent C: had been … would be sent D: had been, would have been sent
- In addition to ______ in industry, laser can be applied to operations. A: use B: been used C: being used D: using
- Had it not been for the earthquake, the dinner （）absolutely perfect A: was B: had been C: would be D: would have been
- If you______there yesterday, you would have seen her. A: were B: B. would have been C: were being D: had been
- She got used to his manner of speaking soon. A: had been used To B: would be used to C: became accustomed to D: used to