Khoanh vào câu đúng.Gthich hộ mình luôn ạ.Thanks nhìu
1.since peter..... ..in volunteer activities,he..........happy
A.took/has been B.attend/has felt C.has joined/has been D.participated/has felt
2.Bach Ma national park in hue ....close to the sea
A.will situate B.was situted C.is situated D.has been situate