The bridge ___________ by the farmers themselves in 1982.
A. built B. was built C. build D. was build
(题文)Keys _______ used for ______ the doors.
A. is, opening B. is, opened
C. are, opening D. are opened
The bridge ___________ by the farmers themselves in 1982.
A. built B. was built C. build D. was build
(题文)Keys _______ used for ______ the doors.
A. is, opening B. is, opened
C. are, opening D. are opened