[ Grammar ]
If Tom —- this string, he —- the box.
A. pulled, would open
B. pulls, will open
C. had pulled, would have opened

Random Topics:
Past and Perfect TensesModal and Phrasal VerbsGrammar & ReadingGoing To Be and WillModal Auxiliary VerbsGrammar - QuantiflierGrammar - may/might/couldAdjective ClausesInfinitives and ING FormsPerfect Progressive TensesOther quiz:
Tenses › ViewWhich sentence uses the Present Perfect Tense correctly?
A. They have moved to a new house last month.
B. I have seen that movie three times last week.
C. He has studied English for three years.
D. She had finished her homework yesterday.
Grammar › View
Choose the correct spelling for
A. soil
B. soyl
C. sooil