[ Tenses of Verbs ]
The doctor _______________ a critical operation right now.
A. has been performing
B. was performing
C. is performing
Select your answer:
Random Topics:
Subject Verb Agreement & Subjunctive MoodClausesZero & First ConditionalGrammar ModalsPresent Perfect Simple & Present Perfect ContinuousPhrase or ClauseClauses and ConjunctionRelative & ModalsGrammar Double Object VerbsOther quiz:
Modal Verbs › ViewLook at all the tools on the floor. He ______ somewhere around here. Let’s find him.
A. couldn’t be working
B. can’t be working
C. couldn’t be working
D. must be working
Grammar › View
People…. so outgoing and nice in this high school
A. is
B. are