[ Grammar ]
We couldn’t help ________ at the joke.
A. laughing
B. but laugh
C. Both

Random Topics:
BASIC GRAMMAR - PRONOUNSTime ClauseVocabulary : Coming & GoingGerund NounLinking Words and PhrasesTransitionsPresent Perfect Tense and Simple Past TenseVerbs and Subject Verb AgreementModal and Relative PhrasesModal Verbs of PermissionOther quiz:
Adjectives and Adverbs › ViewThe man _____ opened the door and looked inside.
A. nervous
B. nervously
Conjunctions, Interjections and Sentence Type › View
Identify the type of sentence:
Since it was late, we decided to leave early.
A. Simple Sentence
B. Compound Sentence
C. Complex Sentence