Don’t forget to congratulate him ___ his birthday.
a. in
b. for
c. on

Random Topics:
Tag QuestionAdjectives with -ED and -INGDo not- Does notPassivisationReported Speech and TensesSimple Present and Present ContinuosOffer and SuggestionGrammar Double Object VerbsCan vs CouldPhrase or ClauseOther quiz:
Gerund Noun › ViewThose workers stopped …………. their coffee because they felt tired of their new work.
A. Drink
B. drank
C. drinking
D. to drink
Modal Verbs and Contrastive Conjunctions › View
Which sentence correctly uses a modal verb and a contrastive conjunction?
A. They might go hiking if the weather is good, or they might stay home and watch a movie.
B. She should finish her homework, so she might go out with her friends afterward.
C. We can’t go to the beach because it’s raining, but we could go to the museum instead.
D. He must study for the test because it’s important, yet he might still fail.
Adverb Clauses › ViewHe got up at the crack of dawn __________ catch the plane.
A. for
B. so that
C. in order to
D. because
Simple Tenses › View
We … take taxi to the station
A. will
B. going to
C. will be
D. is going to