分解炉内气流通过的时间大致范围是()。
参考答案:1~2.5秒
Now that she is out of a job, Lucy _____ going back to school, but she hasn’t decided yet.
A.had considered
B.has been considering
C.has been completed
D.is going to consider
----Has the teacher who was hurt in the earthquake been taken good care of?
----Ever since she was sent to the hospital, she has never been _______.
A.put out
B.left alone
C.looked after
D.fallen into