The underlined letters “ow” in the word _________ sounds different from the others.
— What’s the trouble with you?一I________ a headache.
Students shouldn’t go to school __________breakfast. It’s bad for their health.
–How does Jack usually go to work?—He ______ drive a car, but now he ______ there to lose weight.
—Why are you so tired these days?—Well, I have ________ homework to do.
___his surprise, she succeeded in climbing up the high mountain.