例句與造句

1. Katzir supervised the research work of tens of students in MSc and PhD dissertations.
2. Tens of students halted traffic on one of the city's main streets, throwing eggs at cars and boarding a public bus to shout abuse at the passengers.
3. Vicki is stunned to see tens of students outside the office when she returns to school, all of whom used to work on the paper and are being questioned about potential involvement in the Underground.
4. It's difficult to find tens of students in a sentence. 用tens of students造句挺難的