[ Modals ]
I’m pretty sure he didn’t see me.
A. He couldn’t have seen me.
B. He couldn’t see me.

Random Topics:
Synonym and AntonymPreposition on TimeQuantifierIf/Unless - Conditional type 1Adverbial ClausesGive, do and makeRelative Clauses & Real ConditionalsVerb-ing and InfinitivePresent Progressive or Present SimpleTo Infinitive/Bare Infinitive/GerundsOther quiz:
Grammar › ViewWe didn’t go into the Museum of Modern Art. The tickets were _______.
A. too expensive
B. enough expensive
C. expensive enough
D. more enough
Modals and Active and Passive Voice › View
. A _____is a type of auxiliary verb (helping verb) used to express permission, prohibition, and obligation,
A. Models
B. Moddals
C. Modals
D. Moodals
Conditional Sentences › ViewIf I _____ (have) a million dollars, I _____ (travel) around the world.
A. have / will travel
B. had / would travel
C. will have / would travel
D. had / will travel
Vocabulary & Grammar › View
The company will ___ a new project to expand its market internationally.
A. hypothesize
B. initiate
C. undertake
D. detect