[ Verb Tenses ]
Choose the correct present continuous tense form of the verb: They ________ (work) on a project at the moment.
A. is working
B. were working
C. worked
D. are working

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Prepositions of Time & Place › ViewI have difficulty studying late ______ night.
A. at
B. on
C. in
Modal Auxiliaries › View
_____ you _____ the doctor right now?
A. Does – have to see
B. Do – have to see
C. did – had to seen
D. Do – has to see