Change the sentence into passive causative and remember to omit by + O 

She often gets the technician to maintain the heater.

Choose the best answer A, B, C or D to complete the sentences.

I'll have another key ____.

Choose the best answer A, B, C or D to complete the sentences.

You should ____ a professional to check your house for earthquake damage.

Choose the best answer A, B, C or D to complete the sentences.

Have her ____ these letters, please.

Choose the best answer A, B, C or D to complete the sentences.

What did you do this morning? We ____ the room whitewashed.

Choose the best answer A, B, C or D to complete the sentences.

The students got the librarian ____ books for them.

Choose the best answer A, B, C or D to complete the sentences.

John had just had his brother ____ a house for him on Fifth Avenue.

Choose the best answer A, B, C or D to complete the sentences.

Let's have our waiter ____ some coffee.