1. he wished to become a university student and to ( special ).................. in medicine.

2. ( Fast )........... your seatbelts during the plane's take-off and landing.

3. Don't forget to ( tight ).......... the boat when you are away.

4. She would have ( real )............ her dream if she had passed the entrance exam.

5. Terrorism ( danger ).............. the civilized human beings by bombing and murders.

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