[ 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:
Vocabulary and Grammar › ViewI like to ________________ early in the morning so that I can take photos of the sunrise.
A. do exercise
B. get up
C. take notes
D. win an award
E. take a course
Grammar › View
My father (not mind) _______________ working hard.
A. don’t mind
B. isn’t mind
C. not mind
D. doesn’t mind
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