Chia V trong ngoặc 1. Most of the earth's surface ( cover) by water 2. Glass (made) from sand 3. This laboratory ( use) for doing experiments very often 4. The classroom ( sweep) carefully by the students everyday
2 câu trả lời
Chia V trong ngoặc
1. Most of the earth's surface ( cover) by water => are covered
2. Glass (made) from sand => is made
3. This laboratory ( use) for doing experiments very often => is used
4. The classroom ( sweep) carefully by the students everyday => is sweeped