—Why are you going to take part in the high jump in the school sports meet?—Because I am good at ___________A. jump B. jumping C. jumped
Don’t trouble trouble ________trouble troubles you.
Justin Bieber is ________ singer that young people are crazy for him.
— I didn’t hear you come in just now. — That’s good. We tried ________ any noise.
________ the plane was missing for several days, ________ people didn’t give up.
— You look so tired. — ________ I ran for two hours.