[ Grammar ]
Fill the blank with suitable preposition
I am sorry ….. what I have done
A. at
B. on
C. for

Random Topics:
Relative - ConditionalPresent Simple Positive and NegativeGrammar of Conjunctions and PrepotitionsVocabularyConditionals (0 - 1 - 2)Infinitive and GerundsTenses and StructureIf- ConditionalConjunctions & InterjectionsExclamationOther quiz:
Grammar › ViewThe annoyed boss kept finding fault ____ his workers.
A. by
B. on
C. at
D. with
Grammar › View
We _______________ cards at the moment.
A. are playing
B. play
C. plays
Grammar › View__________ she like playing tennis?
A. Do
B. Does
Grammar › View
They …………………………. gentle.
A. always are
B. always is
C. are always
D. is always
