[ Idioms ]
Bob is trying hard to keep ___ with the rest of his class.
a. up
b. on
c. in

Random Topics:
Grammar and VocabularyGrammar: SyntaxAnalogyWH- Question WordsQuestion Tags in Verb TensesPassive SentenceSubject and Verb AgreementPresent Perfect ContinuousTemporal Conjunctions and ConnectivesGrammar - ConnectorsOther quiz:
Vocabulary › ViewThe act or way of working
A. operation
B. spigot
C. administered
D. retractable
Grammar › View
She _ (sing) beautifully at the concert.
A. sing
B. singing
C. sang
D. sings