[ 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:
Modal Verbs › ViewYou ___________ leave your PC on overnight. Let’s try to be eco-friendly!
A. shouldn’t
B. don’t have to
Grammar › View
___ to the train station?
a. How do I get
b. How I get
Clothes 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
