★ Modal Verbs of Certainty and Possibility
They may _____ the stones in another area.
A. have found
B. found
Preview next quiz:
It ______ very easy for him to tell her.
A. couldn’t have been
B. mustn’t have been
Trending Topics
Loading...
About grammarquiz.net
GrammarQuiz.Net - Improve your knowledge of English grammar, the best way to kill your free time.