—She’s broken her arm again.
—Again? I _______ she _______ ever broken it before.
A.don’t know; has B.didn’t know; had C.didn’t know; has D.hadn’t know; would正确答案B
—She’s broken her arm again.
—Again? I _______ she _______ ever broken it before.
A.don’t know; has B.didn’t know; had C.didn’t know; has D.hadn’t know; would正确答案B