\(\dfrac{1}{2}\)

B

has worked

visited

are watching

Do - have

was sleeping - rang

\(9,5.\left(4,7+4,3+1\right)=9,5.10=95\)

D

\(\left(\dfrac{94}{30}-\dfrac{4}{30}\right)+\left(\dfrac{40}{17}-\dfrac{6}{17}\right)=3+2=5\)

They have been building the bridge for 2 months

He is interested in planting beautiful flowers

If you try your best, you can run fast

Although he is strong, I am not afraid of him

It was such a beautiful girl that everyone admired her

hospital

headache

count

ran

B

I used to go to the cinema at weekends

Peter is not old enough to see the horror film

When the rain stop, we will go out

Because he was sick, he had to stay home

My mother hasn't work for 10 years