[ Grammar ]
We wonder___________ from his office after that scandal
A. why did he not resign
B. why he did not resign
C. why he not resign
D. why didn’t he resign

Random Topics:
Present Simple & Present ContinuousHelping and Linking VerbsMixed Present TensesRelative PronounsPresent or Past TensesPast Tensestoo / enoughAdverbs, Modals, Preposition of timeInfinitivesSubordinate ConjunctionsOther quiz:
Progessive Tenses › ViewI (watch) TV when you (arrive)
A. was watching, arrived
B. watched, arives
C. watched, arrived
D. watched, was arriving
Complex Prepositions › View
… the newspaper, it will rain again at the week end.
A. With respect to
B. As for
C. Except for
D. According to
Grammar › ViewThe festival will be held (in/on/at) December 15th.
A. in
B. on
C. at
Vocabulary › View
What is the meaning of ‘plague’?
A. the intestines
B. an infectious disease that causes a high rate of death
C. watchful or cautious
D. to happen to
