Помогите пожалуйста! Буду очень признательна!___Complete the sentences with the correct form

Помогите пожалуйста! Буду очень признательна!
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Complete the sentences with the correct form of the verb:
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1 Im sure our team (to win) the competition.
2 We (to have) a test tomorrow.
3 Be careful! You (to hit) your head.
4 It is raining. I (to take) an umbrella.
5 He has saved enough money and he (to buy) a car.