Passives Quiz 25 (4 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. In which sentence could you leave out the word by
2. Turn this sentence into the passive:By the end of this decade, scientists will have perfected artificial intelligence
3. Carl could do it quickly because he (know) ..... that each pair of numbers (1 + 100, 2 + 99, 3 + 98, and so on to 50 + 51) equaled 101. So he (multiply;) ..... 50 times 101 and (come) ..... up with the answer:5, 050.
4. I'm sorry, I can't come with you. I ..... that party.