By “held back” (Line 1) the author means “________”
A. made to remain in the same classes
B. forced to study I the lower classes
C. drawn to their studies
D. prevented from advancing
查看答案
纳税人因有特殊困难,不能按期缴纳税款的,经省、自治区、直辖市国家税务局、地方税务局批准,可以延期缴纳税款,但是最长不得超过()个月。
It was essential that the application forms ________ back before the deadline (截止日期).
A. must be sent
B. would be sent
C. be sent
D. were sent