3.

Question 1

1. reach sb by walking/running faster. 2. reach the same level as sb

Answer 1

catch up (with)

Question 2

deceive sb in order to gain sth

Answer 2

cheat out of

Question 3

report your arrival at a hotel, an airport, etc

Answer 3

check in

Question 4

pay the bill and leave (a hotel, a clinic, a supermarket, etc.)

Answer 4

check out