问题
With a lot of difficult problems________, the manager felt worried all the time.[ ]
A: settled
B: to be settled
C: settling
D: to settle
B: to be settled
C: settling
D: to settle
正确答案是：
同类题型
What do you think of Miss Li’s teaching—Oh, no one teaches ________.
Could you tell me ________ the Bamboo Garden?—The day after tomorrow, I think.
Why didn’t you come and buy the new book with me yesterday—Sorry, I ______ at that moment.
______ their return, they were praised as national heroes.[ ]