问题
It is uncertain____side effect the medicine will bring about，although about two thousand patients have taken it.
A:that
B:what
C:how D.whether;
D:whether;
B:what
C:how D.whether;
D:whether;
正确答案是：
同类题型
The fighting broke out on April 14, ____3 innocent people with more than 20 _____. [ ]
The three of us ________ around Europe for about a month last summer.[ ]
We are eating________vegetables per person today as they did in 1910.
The new film The Left Ear by Su Youpeng a few months ago, who is also a famous singer.
32．—Why are you so sweaty? — I__________football with my classmates and how I want to have a drink!