[ Grammar ]
Select the correct verb form: “Fifty percent of the work (is/are) completed.”
A. is
B. are
C. was
D. were

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Passive Voice with Modal VerbsTenses and ArticlesArticles with SubstancesSimple and Past TensesPassive ModalsTenses and Verb FormsHas and HaveAuxiliary Verbs, if, unless and ModalPast Perfect & Past SimpleTypes of PrepositionOther quiz:
Grammar › View____ at a conference on Saturday at 9:00a.m
A. I´m speaking
B. I will speak
C. I am going to speak
First Conditional › View
She ______ (to cook) dinner if you ______ (to go) to the supermarket.
A. will cook/ go
B. will cook/ goes
C. cooks/ will go
D. cook/ will go