
[ Prepositions ]
She’s been working hard _____ her English skills.
A. about
B. at
C. on
D. with
Select your answer:

Causative Verb Past Perfect Continuous TenseGood vs. Well If/Unless - Conditional type 1First ConditionalGrammar Error Correction (Simple Present Tense)Synonym and AntonymArticles with Proper NounsAdjectives & Quantifiers
Other quiz:
Grammar › ViewIs this ….. car?
A. yours
B. your
C. you
Noun Phrases › View
What are the formulas for noun phrase in the right order?
A. Determiner+Head+Post-modifier
B. Pre-modifier+Determiner+Head
C. Determiner+Head+Pre-modifier+Post-modifier
D. Determiner+Pre-modifier+Head+Post-modifier
How to use : Read the question carefully, then select one of the answers button.