1 . Next year we'll probably hear a lot more about environmental pollution.(Likely) ⇒ In the next few years we'll .................... a lot more about environmental pollution 2.My sister is traveling to Ho C hi Minh City by plane .(Flying) ⇒My sister .......................Ho Chi Minh City  3.I need tobuy six pencils.(Dozen) ⇒I need ................................eggs 4.We do a lot of outdoor activities in summer.(In) We take .......................outdoor activities in summer  5.she goes to school at six thirty.(half) ⇒She goes ...........................six giúp mình với ạ!