a) Where are my keys? I can’t find them.
b) Oh sorry honey. My mom _________________ taken them. Here use mine.
A. couldn’t have
B. must have
Independent vs. Subordinate Clause Too / Very / SoPast Perfect Tense Present Simple for Future ArrangementPresent Perfect and Simple Past TenseGrammar-Present Continuous-Sentence MakingGrammar - Present Perfect TenseClauses of ReasonQuantifiers: too many, too much & enough
Other quiz: Some vs. Any
There’s ______one in my office from England. His name is David
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