[ Grammar ]
There must be some _________. This is all wrong.
A. mistake
B. mistakes
C. mistaken
D. mistaking

Random Topics:
Present Simple TenseBASIC GRAMMAR - PRONOUNSQuestion tag and + - AgreementArticles and PronounsInfinitive and GerundPast Simple vs Past ContinuousModals with Perfect InfinitiveCommon ErrorVerb BEConditionalsOther quiz:
Tenses › ViewA: Do you know where John is?
B: I … John this week.
A. have not seen
B. don’t know
C. didn’t know
D. haven’t saw
E. hasn’t seen
Future Tenses › View
Susan —– for lunch afternoon.
A. meets
B. is meating
Homonyms › ViewClothes will dry faster if you ___ them out well.
a. ring
b. wring
Grammar › View
Put on your boots before you go in the rain.
A. declarative
B. imperative
C. interrogative
D. exclamatory
