Although I tried very hard, I couldn't solve the problem. => No matter how................., I couldn't solve the problem.

Alisa’s parents are very busy, but they still spend their weekends taking her out. => Busy.........................., they still spend their weekends taking her out.

I tried to persuade her. However, I didn’t succeed.  => Although................................

I haven’t lost any weight, ...............I’ve been exercising a lot.  A. even though           B. however          C. if             D. as

Although his legs were broken, he managed to get out of the car before it exploded. =>Despite/ In spite of ................., he managed to get out of the car before it exploded.

Although he was very tired, he kept on working.                                                                  => Despite................, he kept on working.

Find the mistake: Polar bears rarely kill people in spite they hunt other animals.

Despite his hurt leg, he managed to drive a car.  => Although.................., he managed to drive a car.

The children slept well despite..........             A. it was noise               B. the noise                   C. of the noise              D. noisy

Wherever you are hiding, the location system will still detect you.                             => No matter..............................., the location system will still detect you. 

Young as he is, he has a big fortune.              => Although...................., he has a big fortune.

We understood him................................he spoke very fast.

It looks like they are going to succeed.................their present difficulties. A. despite                 B. although                          C. in spite                 D. even though