During / As soon as we reached the top of the mountain, we all cheered.
As soon as
I realised I’d lost my hat as soon as / during we got to the campsite.
as soon as
While / During our stay at the campsite, we met lots of other students.
during
We heard the monkeys in the forest long before /during we saw them!
long before
It started snowing while / after/ during we were hiking, so we made a snowman.
while
I put a plaster on my knee while / after I cut it on a rock.
after
The guide warned us not to go on the beach after / when/ as soon as dark.
after
We didn’t know while / when sunset was, so we headed home at 5 o’clock.
when
The teacher called my name while / when he saw a spider on my backpack.
when
We wish we’d checked the weather before / after we went to the lake.
before
We saw two snakes during / before our trip.
during