Rewrite sentences without changing the meaning

It’s convenient to use correction pen for correcting errors.

A. Because of 

B. Because

C. Though

D. Despite

A. I won’t be rewarded if I passed the English test.

B. I won’t be rewarded if I pass the English test.

C. I will be rewarded if I passed the English test

D. I will be rewarded if I pass the English test.

A. The telephone was invented by Alexander Graham Bell.

B. The telephone be invented by Alexander Graham Bell.

C. The telephone is invented of Alexander Graham Bell.

D. The telephone was invented of Alexander Graham Bell.

A. The aeroplane is considered one the greatest inventions in our history.

B. The aeroplane considered one greatest inventions in our history.

C. The aeroplane is considered one of the greatest inventions in our history.

D. The aeroplane considered one of the greatest inventions in our history.

A. Data to store are of USB stick.

B. USB stick are used to store data.

C. We don’t used to use USB stick.

D. To store date, we shouldn’t use USB stick.

A. A dolphin can to swim and stay underwater for a long time.

B. A dolphin can swim but stay underwater for a long time.

C. A dolphin can swim and stay underwater in a long time.

D. A dolphin can swim and stay underwater for a long time.

A. Math

B. Mathematics

C. Mathematician

D. Maths