[ Present Perfect and Present Perfect Progressive Tenses ]
They ___ (not/clean) the park yet.
A. haven’t cleaned
B. don’t clean
C. didn’t clean
D. haven’t been cleaning

Random Topics:
Nouns, Pronouns, Antecedents, and Singular and PluralSentence Structure and Punctuation1st ConditionalComparative AdverbsRelative Pronoun/AdverbsGrammar - to be, possessive, have gotPresent Simple PassiveTime Clauses of FutureGrammar - used toHave toOther quiz:
Grammar › ViewLast September, there _______ a storm in Kampung Mutiara.
A. is
B. am
C. was
D. were
Past Tenses › View
We were at the academy together — Harry ____ to play the piano while I was learning to sing.
A. learns
B. was learnt
C. was learning
Grammar › ViewThe man _______ she wanted to see her family.
A. which
B. where
C. whom
D. who
Mixed General Quiz › View
I just can not ___ to go climbing.
a. wait
b. weight
