Topics: Tenses
By the year 2030, they _____ (invent) a device for doing homework.
A. will have invented
B. will be inventing
C. will invent
D. are going to invent
Select your answer:
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Relative & Modals › ViewFill in the blank with the word or phrase that most naturally completes the phrase: be in a bad _______
A. grow up
B. mood
C. row
D. suggestion
E. the wild
Grammar › View
________ his terrible back pain, my grandfather had no choice but to cancel his trip to Fujian.
A. Due to
B. Because
C. Instead
D. Since