[ Tenses ]
They __ (work) on the project for several months now.
A. are working
B. work
C. have been working
D. have worked

Random Topics:
ConditionalPresent Simple/AffirmativeAdjective vs AdverbIf/Unless - Conditional type 1Preposition of DirectionGrammar (want to/ need to/ have to)Vocabulary and IdiomsBe going to / WillVerb AbilityPast PerfectOther quiz:
Modal Verb › ViewYou __________ stand up. There are a lot of seats available on the bus.
A. couldn’t
B. mustn’t
C. needn’t
D. might not
Sentences vs Run-Ons › View
Identify the run-on sentence.
A. She likes to read, and she visits the library often.
B. The dog barked, but no one was home.
C. I went to the park I saw my friend there.
D. He studied hard, so he got good grades.
Grammar › ViewWhat are you afraid…………?
A. to
B. with
C. of
Grammar and Vocabulary › View
When ________ you visit the new school?
A. did
B. had
C. went
