We should consider the students’ request ___the school library provide more books on popular science.
Nowadays some hospitals refer to patients ________ name, not case number.
One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.
The teacher has to ________ the two students as they are always talking in class.
You can visit our homepage _______ the Internet, which, in reality, is popular _______ our fans.
(2012·南宁高二检测) He didn’t make _______ clear when and where the meeting would be held.