[ Preposition ]
I felt really guilty ………… not spending more time with my family
A. of
B. on
C. to
D. up

Random Topics:
Bare Infinitive and To InfinitiveComparatives ( adj/ adv)Modal and Auxiliary VerbsGrammar: wishes and regretsSentences Function and StructureKinds of NounsAdjectives & PrepositionsPresent Perfect SimpleGerund & ParticipleCommon & Proper NounsOther quiz:
Grammar › ViewWhat was Missy doing when I called you?
A. She was watching T.V.
B. She was do homework.
C. She washed her clothes.
D. She is writing a letter.
Grammar › View
He _____ his wife, Maria, in 1998.
A. met
B. meted
C. meet
D. meets