# 1PilihanA: I can't sleep at night. B: You _____ drink too much coffee.wouldn'tshouldn'tdon't have to
# 3PilihanThere's something about the _____ of that particular dish, which makes it memorable.flavourflavouredflavouring
# 4PilihanIt can be very irritating when the waiter _____ to bring what you have ordered.forgotforgettingforgets