Each of the following sentences has an error. Find the errors and correct them.

Although my sister was tired, but she helped me with my homework.

Choose the best answer:
My friend is fond of _______ to music in the evening.

Choose the best answer: 
My son is quite___ in biology.

I’m writing in response to your ____________which appeared in the magazine last week. (advertise)

Could you please send me more information _________ your courses and an application form?

Choose the best answer: 
Some students in my class prefer ___ TV to playing sports.

Choose the best answer to each question. 

While searching for gold, the Spanish found the Grand Canyon to be an impassably barrier.

Choose the best answer: 
‘Let’s go to the local open-air market’ ‘_________’

Choose the best option to complete these following sentences

I don’t like watching boxing matches on TV because they are _____

Choose the best answer to each question. 

As a rule, new comers ________ a party at the end of the first month of their stay.

Choose the best answer to each question. 

All the salespeople I met always try to _________ buying their products.

Choose the best answer to each question. 

If you had left early, I think_________there in time.

She .................. me whether I liked classical music or not.

There is a mistake in the four underlined part of each sentence Choose  and correct it: 

My brother are going to study in New York next month.

Choose the best answer to each question. 

Some________ actions have been taken to help protect wildlife at this national park.

Choose the best answer to each question. 

I haven’t ________ decided where to go on holiday this year.

Choose the best option to complete these following sentences

Instead of _______about the good news, Tom seemed to be indifferent.

Find the one choice that best completes the sentence:

" Where is he now?" I only wish I ..............

Choose the best option to complete these following sentence: 

 It’s not easy to _____ changes in technology.

Choose the best answer

I wish I ________you some money for your rent, but I’m broke myself.