[ Past Modals ]
The inspector pulled some of the loose bricks out. Behind them, there was a small tunnel just big enough for a person to get through.
“That’s it. The thieves ___ have dug a tunnel to get in. Let’s follow it and see where it leads.”
A. might
B. must

Random Topics:
Conditional Sentence Type 1Zero & First ContidionalTypes of Simple SentencesGrammar - Wh QuestionsPhrasal Verb Put & GoTimeVerb 3 formsEd and Ing EndingsCan/CouldLexico and GrammarOther quiz:
Conjunction › ViewI did lots of things last weekend, ________ biking, hiking, and mountain climbing.
A. also
B. so
C. like
D. but
Grammar › View
Identify yet another noun:
A. Run
B. Creativity
C. Beautiful
