单选题 pay a high price for (doing) sth.

单选题 The student's essay was well structured but sadly ______ in original ideas or deep analysis.

单选题 Buying such medical equipment is very ______ for a clinic.

单选题 Please read the safety ______ before using the machine.

单选题 He was ill yesterday; ______, he did not come to class.

单选题 The rescue team is trying to ______ the missing hikers in the forest.

单选题 With the weather so ______, we'd better bring umbrellas just in case.

单选题 Patients often ______ about headache and tiredness to their doctors.

单选题 Some athletes use ______ intelligence software to analyze their performance.