The time he has devoted in the past years _______ the disabled is now considered ________ of great value.

SomeofthestudentshadlearnedenoughEnglishto_________aconversationwithanativespeakerofEnglish.

Because of my grandma’s poor memory, she has forgotten all____ you told her.

What’s this in English

The mayor is strongly opposed to _____ a new hall,which may cost a lot of money.