摘要：26．Not until the early years of the 19th century what heat is． A．man did know B．man knew C．didn't man know D．did man know
网址：http://m.1010jiajiao.com/timu_id_1707519[举报]
Not until the early years of the 19th century ________ what heat is．
[ ]
A．man knew
B．did man know
C．man had known
D．does man know
Not until the early years of the 19th century ________ what heat is．
[ ]
A．man did know
B．man knew
C．didn’t man know
D．did man know
Not until the early years of the 19th century _________ what heat is．
[ ]
A．
man did know
B．
man know
C．
didn’t man know
D．
did man know
Not until the early years of the 19th century _________ what heat is．
[ ]
A．
man did know
B．
man knew
C．
didn’t man know
D．
did man know
Not until the early years of the 19th century______ what heat is.
|
A．man did know |
B．man knew |
C．didn’t man know |
D．did man know |
查看习题详情和答案>>