Đáp án:
CHÚC BẠN HỌC TỐT
Giải thích các bước giải:
1)
the running is very fast
(-)the running isn't very fast
(?) Is the running very fast ?
2)
(+) julia is baking a chocolate cake at the moment
(-)julia isn't baking a chocolate cake at the moment
(?)Is julia baking a chocolate cake at the moment
3)
(+)Tony and Kaity are helping the teacher right now
(-) Tony and Kaity aren't helping the teacher right now
(?) Are Tony and Kaity helping the teacher right now.