We need to keep _____ trying. A. in ...

★ Preposition & Gerund

We need to keep _____ trying.

A. in

B. on

C. to

D. at

Preview next quiz:

All students participated in _____ pantomimes.

A. doing

B. done

C. does

D. do not

About grammarquiz.net

GrammarQuiz.Net - Improve your knowledge of English grammar, the best way to kill your free time.