The lecture was so moving that all the students lost ___ in it.(they)这个咋做啊the helicopter which was sent to Zhouqu landed ___.(safe)John did not go to work.he worked on the computer at home.(合并为一句）John worked on the computer at home ____ ____ going to worklf you do not study hard,you will fail in the exam.(保持句意不变）you will fail in the exam ___ you ____hard.
问题描述：
The lecture was so moving that all the students lost ___ in it.(they)
这个咋做啊
the helicopter which was sent to Zhouqu landed ___.(safe)
John did not go to work.he worked on the computer at home.(合并为一句）
John worked on the computer at home ____ ____ going to work
lf you do not study hard,you will fail in the exam.(保持句意不变）
you will fail in the exam ___ you ____hard.
答
themselves
lose oneself in sth/doing sth.： 沉迷于,专注于
答
themselves
答
1.themselves
2.safety
3.instead of
4.unless study