[ Tenses ]
I ____ him for years.
A. haven’t seen
B. didn’t see
C. hadn’t seen
D. haven’t been seeing

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Verbs: Action, Linking, and HelpingPassive Voice - Past SimpleActive and Passive Gerunds and InfinitivesPerfect Progressive TensesAbstract Nounsas...as, comparatives, superlativesNeither/Either/All/NoneUsed toWill vs be going toComparative AdjectiveOther quiz:
DEGREE COMPARISON › ViewAn elephant is … than a cat.
A. big
B. bigger
C. more bigger
D. the biggest
Tenses › View
Dinosaurs ___ extinct long before human beings dominated the earh.
A. had become
B. was becoming
C. has become
D. used to become
Grammar › ViewThe students __________ very hard.
A. works
B. work
C. do work
D. are work
Grammar › View
Complete the sentences with in, on, or at. We usually have three classes ___ the afternoon.
A. in
B. on
C. at
D. by
