[ Mixed Tenses ]
After the teacher finished __________ the grammar rules, the pupils understood them.
A. explain
B. explains
C. explained
D. explaining

Random Topics:
Fragment, Comma Splice and Run -on SentenceCompound and Complex SentencesPresent tense AffirmativePresent Simple with Adverbs of FrequencyQuantifiers MixPreposition of TimeThe -ing Form of VerbsPast Continuous Tense & Past ModalsTenses and Time MarkersTenses: Present simple, Past Simple, Future SimpleOther quiz:
Modal Verbs › ViewAfter completing his training, John ___ speak fluent Mandarin. He didn’t focus too much.
A. can’t
B. could
C. couldn’t
Grammar › View
______ did you eat? Pizza
A. Where
B. What
C. Who
D. When