He often gets up early in order to reviewing lessons before school.

⇒ to review

⇔ GT: có cụm từ in order to thì sẽ đi với V1

The ambulance will be here for about ten minutes.

⇒ in

⇔ GT: Thì tương lai đơn

I took off my shoes so as to not make any noise.

⇒ not to

⇔ GT: có cụm từ so as not

The boy fell out his bike and hit his head on the road.

⇒ fall off

⇔ GT: có từ : fall off: ngã xuống

ℭℌÚℭ 𝔅Ạ𝔑 ℌỌℭ 𝔗Ố𝔗

#𝓭𝓸𝓽𝓱𝓲𝓽𝓻𝓪𝓶𝔂

Trả lời: 
Câu 1: He often gets up early in order to reviewing lessons before school. → review
         Giải thích: In order to + Vo 
Câu 2: The ambulance will be here for about ten minutes. → in
         Giải thích: In about + khoảng thời gian: Trong khoảng + thời gian
Câu 3: I took off my shoes so as to not make any noise. → not to
         Giải thích: So as not to: Để không ...
Câu 4: The boy fell out his bike and hit his head on the road. → fall off
         Giải thích: FALL OFF: ngã xuống