问题
From the symptoms shown in the dead body, he ________to death by a certain poisonous chemical, but I can’t tell exactly which. [ ]
A: must have been poisoned
B: should have been poisoned
C: could have been poisoned
D: may have been poisoned
B: should have been poisoned
C: could have been poisoned
D: may have been poisoned
正确答案是：
同类题型
The old man is very healthy. I think he willlive______.
We’d like to go out for a meal on Thursday evening -does that ______ with your plans? [ ]
Hi, Anna, our school won the football match yesterday.-________.
There are _____ new words in the text．It’s very easy for you．
I can not think where I’ve left my umbrella; my mind’s completely ________!