[ Grammar ]
What is Charlie _____ upstairs?
A. doing
B. does
C. do
D. to do
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Tenses StructureVerbs and AdverbsSentence Fragments and Complete SentencesMixed ConditionalsModals for Necessity and SuggestionsConditional Sentences Type I, IINouns - Word Form-IONModals "Should"Verbals and GerundsAdverbs, Prefixes, and SuffixesOther quiz:
Grammar › ViewThat is ______ heavy box.
A. a
B. an
C. the
Grammar › View
The cafeteria is ________ the restaurant.
A. Cheaper than
B. More cheap than
C. Cheaper
D. Cheap than
E. Most cheaper than
Joe：Who went to the music festival today? Meg：Mrs. Wilson and her husband ＿＿＿.
A. were
B. went
C. did
D. do
Subordinating Conjunctions › View
_________ you finished your homework, you can play outside.
A. After
B. Although