Заменить слова в скобках на: Check in, Check off, Check out, Check up, Check on, Check over
1) When you arrive at an airoport, you should (show your ticket)
2) Helen has already (left) the hotel
3) She asked me to (look at her baby so that she was sure he was safe)
4) The teacher (ticked off) the names of the pupils who were ill
5) Our teacher asked us (to look at) our test before handing it in