52. throw / thousands / tons / rubbish / forest / year //
A. People throw some thousands tons of rubbish into the forest every year.
B. People throw thousands of tons of rubbish into the forest every year.
C. Throwing thousands of tons of rubbish is into the forest every year.
D. People throwing thousands of tons of rubbishes into the forest every year.
Bạn đang xem 52. - BAI TAP TRAC NGHIEM TIENG ANH 12 TU BAI DE BAI 7 0476