---Sir, do you have any double room ______ now? ---Just a moment, I will find out.

Things like electronics, glass or other ____ objects are often packed with an appropriate protective material to prevent damage. 

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.

He was __________ at the __________ waste of food in the school.

These experiences ______ me _____ the drug’s harmful effects.