There are some boys ________ in the river.
A. swimming B. to swim C. are swimming D. is swimming
A number of students _______ reading in the classroom now.
A. is B. was C. are D. were
Jack Chan is very modest. He never _______.
A. shows off B. shows on C. show off D. show on
I am so _____ when I heard the ________ news.
A. excited; excited B. excited; exciting C. exciting; exciting D. exciting; excited
________ is difficult if you put your heart into it.
A. Anything B. Nothing C. Something D. Everything
The man became a famous writer when he was ________.
A. in his fifty B. in his fifties C. in fifty years old D. in fifties
