1. Normally the entrance examinations d) begin in July. 2. The visiting delegation d) was met by the president at the airport yesterday. 3. Make sure that your mobile phone a) is switched off during important meeting. 4. We c) were waiting for you for four hours yesterday evening. 5. My mother works hard, b) doesn’t she? 6. Look outside. It c) has been raining; the pavement’s still wet. 7. We usually c) sells our products into many markets. 8. The wind c) is blowing hard at the moment. 9. Don’t worry. You a) will find a job in a week. 10. I a) have been playing golf recently.
В 6) и 10) лучше бы использоваь формы the Present Perfect: 6) has rained, 10) has played. Все-таки формы the Present Perfect Continuous применяются для обозначения действия, которое началось в прошлом и длится в момент речи.