[ Grammar ]
Sara can’t come down for dinner because she ………… her school project.
A. ‘s working on
B. works on

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Phrase or ClauseModals and Past TensesPast Perfect SimpleModals in the PastPrepositions of Location, Movement and TimePresent Perfect and Present Perfect Progressive Tensestoo / enoughVocab and GrammarGrammar - Compound SentencesVerbs & Verb TensesOther quiz:
Grammar and Vocabulary › ViewChange to the passive: They’re developing new computer software.
A. A new computer software is being developed.
B. A new computer software is been developed.
Conjunctions › View
The meeting was cancelled … the bad weather.
A. because of
B. because
C. in spite of
D. though
E. although
Grammar › ViewI asked a lot of questions but he didn’t answer _________.
A. no
B. none
C. not
D. any
Grammar › View
but, for , or, and
A. nouns
B. coordinating conjunctions
C. subordinating conjunctions
