单项选择 较易0.85 引用4 组卷282
It’s difficult to ______ a global population of polar bears because much of their range has been poorly studied.
| A．put out | B．figure out | C．come out | D．turn out |
22-23高一下·天津河北·期末
类题推荐
—How did you find him out?
—I ________ his name by chance on the list.
—I ________ his name by chance on the list.
| A．came down | B．came out | C．came up | D．came across |
The question was so difficult that nobody could ________ a good answer except Tom.
| A．come across | B．come up | C．come up with | D．come out |
This was a really difficult question，but a little boy________ a good answer.
| A．came up to | B．came out |
| C．came up with | D．came round |
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