[ Passive Voice ]
The bag ………. behind.
A. must have been left
B. must have be left
C. must have left
D. must left

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Grammar Error Correction (Simple Present Tense)Perfect Tenses and VocabularyGrammar and StructureFuture Continuous TenseLinkers and ConjunctionsPronounPresent Perfect or Past Simple TensePunctuating ClausesInfinitive and GerundsAdverb Clause ConnectorOther quiz:
Grammar › ViewWhich sentence uses “in this way” correctly?
A. In this way, we can finish the work faster.
B. I like to read books in this way.
C. In this way of cooking, you need a lot of butter.
D. He walked in this way to the store.
Article › View
____ Cup of tea.
A. A
B. An
C. The
D. No Article