用所给动词的适当形式填空。(每小题1分,计5分)He was made ____________(work)from morning till night .
The doctor told us he would do what he could ____________( save ) the patient.
After hundreds of experiments, Edison (succeed) invented the light bulb.
Take down the key points to go over them later while _______ (listen) to his talk.
In fact, the tigers in India ___________(disappear) much faster than pandas now.