Do remember to be________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.

It’s raining heavily outside .We are _______to go out for the picnic as planned. 

When someone is hungry, he won’t be _______ about what he eats.

 This is the _________ spot on which the first pilgrims landed in America.

Bamboo, which is a common plant in the south, is used ______ in buildings, food, furniture and so on. It is used to make clothes as well.