he has some problems__his work.请问用什么介词选项有 A to do B do C of doing D doing

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he has some problems__his work.请问用什么介词选项有 A to do  B do  C  of doing  D doing

he has some problems__his work.请问用什么介词选项有 A to do B do C of doing D doing
he has some problems__his work.请问用什么介词
选项有 A to do B do C of doing D doing

he has some problems__his work.请问用什么介词选项有 A to do B do C of doing D doing
选择D
have problem doing sth.
have a hard time doing sth.
have a difficult time doing sth.
have trouble doing sth.
have difficulties doing sth.
这些短语都是"做某事有困难"的意思