Supply the correct word form:
1. The local community is calling for.................... ( voluntary) to transport fresh water to people living in the dry areas.
2. My school has some essential policies to help .............. ( advantage) students socialize with other students better.
3. He donates a big sum of money to make a........... ( meaningful) contribution to the orphanage.
4. It's quite............ ( challenge) to teach languages to intellectually disadvantaged children.
Loga
Sinh Học lớp 12
