b)Let's drop in on Julia while we're here.
c)We're heading to Paris.
d)Our hotel room looks on the main street.
e)Two children started playing, and the others joined in too.
f)We called on my aunt on her birthday.
g)I'm afraid that we've run out of eggs.
h)Monica will call on you at 6.30.
i)Nobody was getting what I was trying to say.
j)So much air pollution puts me off.
