[ Passive Voice ]
The problem_________________ (solve) quickly once the manager arrived.
A. The problem is solved quickly once the manager arrived.
B. The problem was solved quickly once the manager arrived.
C. The problem has been solved quickly once the manager arrived.

Random Topics:
Modals and Active and Passive VoicePresent Simple PassiveOrdering AdjectivesPresent Perfect vs Past Simple TensePresent Simple, Present Continuous or Present PerfectArticles and DeterminersVerb + Infinitive or GerundSentence TypesPresent Perfect or Past SimpleGrammar Present Perfect (ever never)Other quiz:
Grammar › ViewBetty wasn’t born in Tainan, and _____ Jim.
A. neither was
B. so was
C. neither is
D. so is
Grammar › View
Why ___ (you/believe/not) him? He ___ (tell) you the truth.
A. Do you believe….tells
B. Don’t you believe….is telling
C. You do not believe….is not telling
D. Don’t you believe….tells
There _________ any cinemas in my village.
A. Is
B. Isn’t
C. Are
D. Aren’t
Homonyms › View
A row boat needs more than one ___.
a. oar
b. ore