[ Prepositions ]
He is expert ___ science
A. at
B. on
C. in
D. for

Random Topics:
BASIC GRAMMAR - PRONOUNSPunctuationCoordinating and Subordinating ConjunctionsMixed GrammarModal Verbs & Perfect InfinitiveSimple PresentComparative and SuperlativesVerb & GrammarPresent Continuous Tensewas wereOther quiz:
Idioms › ViewPut the milk in the fridge or it will go ___.
a. out
b. off
c. down
Grammar › View
Be careful, ………. you’ll make grammatical mistakes.
A. Or
B. But
C. And
Present Perfect vs Past Simple Tense › ViewChoose the suitable verbs for PAST SIMPLE TENSE (POSITIVE & NEGATIVE SENTENCE)
A. Play – Played
B. Sing – Sing
C. Help – Helping
D. Visited – Visited
E. Likes – Liked
Grammar › View
Aqil was very happy to get the _________ marks in Mathematics subject.
A. more
B. most
C. highest
D. high