1. Lựa chọn những cụm mệnh đề If trong câu điều kiện loại 0 cho sẵn để hoàn thành các câu bên dưới
Lions
If a lion joins a group of other lions
If lions go hunting
If a lion roars,
If lions are active
If male lions use cent marking
., it can be heard over five miles away.
.., it usually stays with them for three years.
, they work in teams.
.., they establish their territory.
, it is usually at night.
+ If lions go hunting, they work in teams.
+ If a lion roars, it can be heard over five miles away.
+ If lions are active, it is usually at night
+ If male lions use cent marking, they establish their territory.