Tom and Mary are still discussing the math exercise with each other because they ____ how to do it.
A. aren’t working out
B. haven’t worked out
C. haven’t been working out
D. didn’t work out
Random Topics:
Modals and TensesPresent Tense vs Past TenseRegular and Irregular AdverbPast Continuous vs Past SimpleFormal & Informal WordsAdverbs, Modals, Preposition of timeVerb + PrepositionBe used to vs used toSimple Past ContinuosVerbsOther quiz:
Grammar › View“Is there a bus to Boston tomorrow morning?”
” According to the bus schedule, there’s one that ____at seven o’clock.”
A. will leave
B. is leaving
C. leaves
D. is going to leave
Modal Verbs › View
I ……………… pay for the tickets because I got them from Sam for free.
A. should
B. ought to
C. have to
D. don’t have to
Grammar › ViewThe first large predators on Earth, according to some sources, was sea scorpions that grew to almost six feet in length.
A. NO CHANGE
B. were
C. is
D. has been
If Conditionals › View
You ____ junk food if you ____ get fat.
A. eat/want to
B. won’t eat/will want to
C. should eat/don’t want to
D. shouldn’t eat/don’t want to