With painstaking efforts for many years, they have at last ______ perfection in their skills.
A: remained
B: obtained
C: contained
D: attained
A: remained
B: obtained
C: contained
D: attained
举一反三
- Through years of our _______ efforts, we have at last achieved what we have today. A: pain B: painful C: painless D: painstaking
- Through years of our _______ efforts, we have at last achieved what we have today.
- In the last ten years, there have been many changes in family life. Are these changes ______?
- Great changes have taken place _______. A: in the last few year B: in the last few years C: in the past few years D: on the last year
- For years, universities have used these tests to help measure an ___________ academic skills.