Task 4. Fill in the blanks with CAN / CAN’T or MUST / MUSTN’T:

She is ill, so she ………………………. see the doctor.
It’s raining heavily. You …………………… take your umbrella.
We ………………………………. (not / pick) the flowers in the park.
Mike is nine months old. He ……………………………… (not / eat) nuts.
I am very tall. So I …………………… play basketball.
I’m sorry but we …………………………………………. (not / come) to your party tomorrow.
You are speaking very quietly. I ………………………………….. (not / understand) you.
…………………….. I use your phone?
We …………………….. go to the bank today. We haven’t got any money.
My hands are dirty. I ……………………….. wash them.
It’s late. I …………………………. go now.
You ………………….. stop at a red traffic light.
You ………………………………….. (not / speed) in the city.
Tourists ……………………… take their passports when they go abroad.
Footballers …………………………………….. (not / touch) the ball with their hands.
……………………… you play the guitar?
I ……………………………………… (not / come) with you now. Because I’m studying my lessons.