The select the correct spelling to add -ing to each verb.
The select the correct spelling to add -ing to each verb.
observe
appear
copy
confuse
select
agree
laugh
scrub
sound
squirt
mimic
complain
hike
please
change
regulate
panic
excite
munch
frustrate
I can __________ a bike.
I can't wait for summer because the ___________________ is always warm.
The colors of the planet is ____________________ to many people.