[ Grammar ]
Did you succeed in ________ the problem?
A. solve
B. to solve
C. solving
D. solved

Random Topics:
Simple present/ past/ future tenseFigurative Language VocabularyThere is or There areModal Verbs and ConditionalsCountable and UncountableGerund vs InfinitiveSo - Too - Either - NeitherCoordinate ConjunctionFirst Conditional SentenceVerbs & Phrasal VerbsOther quiz:
Grammar › View~~ roar ~~ . .
A. Naming Word
B. Action Word
C. Describing Word
Grammar › View
We haven’t reached the final on the funding for scientific research yet.
A. decides
B. decision
C. decisively
D. decisive
Simile, Metaphor or Personification › ViewThe idea was a fire in my head.
A. Simile
B. Metaphor
C. Personification
Grammar - must & have to › View
Someone else other than the speaker has made the decision.
A. can
B. should
C. have to
D. must