Better wear special clothing, a helmet and a life jacket, just ______ your raft gets upside down or even sinks.
I have a really bad headache, and I have to ________ a doctor about my pains.
When I came in, I saw Dr. Li ______ a patient.
-------- Did you go to the film festival? -------- Yes, it was excellent. Zhang Yimou’s latest film was really a _______ for the eyes.
------She looks very happy. She ______ have passed the exam. ------I guess so. It’s not difficult after all.
More and more students are ________ reading in our school.