[ Subject Verb Agreement & Subjunctive Mood ]
If the customer service center conducted a survey on the new design, it … helpful to understand both the good and bad points of the design.
A. was
B. is
C. would be
D. will be

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Present Simple and Present Continuous TensePast Tense, Recount Text, and Future TensePrepositions and ConjunctionsAdjectives & PrepositionComparative AdjectiveInfinitives and ING FormsCan vs be able toModal SpeculationCan vs CouldSo Such Enough TooOther quiz:
Subject Verb Agreement › ViewEvery child and adult who purchases a ticket ______ eligible to receive a voucher from one of our sponsors.
A. is
B. are
Grammar › View
Choose the correct pronoun: Each student must submit (his or her/their) assignment on time.
A. his
B. his or her
C. their assignments
D. her
Grammar › ViewLeonardo _________ have a big car until last year. Now he doesn’t have a car anymore.
A. used to
B. would
C. get used to
Past Tense › View
The teacher ……. (not, read) the poem yesterday morning.
A. did not read
B. did not rode
C. did not readed
D. did not reads
