Question

Complete the gap with the correct If-Clause. "Now what?' he thought. His first idea was to leave the house as soon as he could, but if he changed his plans, Mr. and Mrs. Belts ___________________ that something was wrong. Also, if they already knew about the person in the locked room but they still lived in the house, then there was surely nothing for him to be afraid of. JAMES, M. R. The locked room and other horror stories. Pearson Education Limited, 2008. Mark the right alternative:
a. would know
b. would have known
c. will know
d. won’t know
e. hadn’t known

Answer 1

letra A, pois would indica possibilidade, e will certeza

Answer 2

Resposta correta A: would know