[ Future Tenses ]
3D printing _______ become immensely popular in 20 years’ time.
A. is going to
B. will

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Past Perfect TensePast, Present, FutureInfinitivesas...as, comparatives, superlativesComparisonModals and ResponsibilitiesCoordinating & Subordinating ConjunctionsPast Simple & Past PerfectWestern Europe CountriesFuture SimpleOther quiz:
Vocabulary › ViewStudents liked the teacher’s lesson because of its ________; it covered a lot of material in a short time.
A. Brevity
B. Abstain
C. Absence
Verb Tenses › View
Yesterday, we ______ (go) to the park.
A. go
B. went
C. going
Vocabulary › ViewWhich word means to cause someone or something to become curious or interested in an object or event?
A. pique
B. precede
C. reverence
D. superficial
E. wince
Articles › View
I’d love _____ cup of coffee.
A. a
B. an
C. the
D. –