The time he has devoted in the past years __________ the disabled is now considered to be__________ great value __________ him.
---Do you want to watch the lion dance? ---No, I ________ it the day before yesterday.
I don’t like physics ______ it’s too difficult for me.
—_____ do you _____ the book? —It’s very interesting.
—Your new dress looks very nice! —_____
—_____ is it today? —It’s Tuesday.