1) if we leave the tap on, we, ....................................................... a) wasting water b) wastes water c) waste water 2) If you ................. water at the top of Mount Everest, it starts to boil. a) heats b) heating c) heat 3) If we heat water, it .......................................... a) boils b) boiled c) boiling  4) If you recycle, you ............................... the environment. a) helps b) help c) helping 5) When you heat ice, it ......................... a) melting b) melted c) melts

Zero conditional

Cetak
Menyematkan

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

Pulihkan simpan otomatis: ?