The boy is very strong. He can swim ______ the wide river several times.
A. over B. across C. along D. between
Don’t forget ________ the lights before you go to bed.
A. turn off B. turning off C. to turn off D. turns off
—Which sport is the most popular in China?
—I think ______ is.
A. running B. cycling C. swimming D. table tennis
She wants to have good grades, _____ she doesn’t want to work hard.
A. but B. so C. although D. because
Our teacher said that light______ faster than sound.
A. travel B. travels C. travelled D. is travelling
Jack is _____ busy ______ he often forgets to have breakfast.
A. too; to B. enough; to C. so; that D. because; so
