[ Grammar ]
They couldn’t help______when they heard the little boy singing a love song.
A. laughing
B. to laugh
C. laugh
D. laughed

Random Topics:
Grammar, Literature, and VocabularyAdverbial Clause / If / ComparativesTenses & AffixesSimple and Compound SentencesParticipal PhrasesPast PerfectMoods of GrammarMix-TensesFor vs SincePre-intermediateOther quiz:
Grammar › ViewI _____ many questions.
A. have
B. has
C. have to
D. has to
Grammar › View
“I just came back from Alaska.”
“Wow! I wish I ______ there with you.”
A. might have been
B. must have been
C. could have been
D. have been
Subordinating Conjunctions › ViewShe smiled ________ she was happy.
A. as
B. although
Grammar › View
Grades of obligation.
A. I don’t want to take pills.
B. I should take pills.
C. I don’t have my pills.
