题目内容
（请给出正确答案）
A.have been working
B.be working
C.be worked
D.work
如果结果不匹配，请 联系老师 获取答案
更多“The scientist is known to ____…”相关的问题
A.She’s very intelligent
B.She’s very attractive
C.She’s very easygoing
D.She’s very special
A.7%KNO3，40%NaNO2，53%NaNO2
B.7%NaNO2，40%NaNO3，53%KNO3
C.7%NaNO3，40%KNO3，53%NaNO2
D.7%NaNO3，40%NaNO2，53%KNO3
A、Who are you？
B、I’m Parker.
C、Don’t you kno w me？
D、This is Parker.
A.send
B.sends
C.was sent
D.were sent
A.aren’t; are
B.aren’t; were
C.weren’t; were
D.weren’t; are
