Put the elements into the gaps

Match the words with the definitions.

• To pay attention
• To be determined
• To take off
• To detect
• To substitute

[ ]—to listen to, watch, or consider something or someone very carefully.

[ ]—to be decided.

[ ]—to suddenly start to be successful and popular.

[ ]—to discover something, usually using special equipment.

[ ]—to use someone or something instead of another person or thing.