21. As a writer, he was ______ failure, which forced him to be in _____ search of another way to make a living.
A. a; / B. /; the C. a; the D. the; /
22. It was a long time since the girl last saw her parents, no wonder she was not _____ excited when they came.
A. much B. greatly C. a little D. a bit
23. Is this factory ______ he visited last Friday?.
A. where B. that C. the one D. which
