I'm afraid of ____in the exam. A.fail B.failing C.to fail D.failed

I'm afraid of ____in the exam. A.fail B.failing C.to fail D.failed
I'm afraid of ____in the exam. A.fail B.failing C.to fail D.failed

I'm afraid of ____in the exam. A.fail B.failing C.to fail D.failed
选B
of是介词+doing

选B
应为of是介词，所以后面就要跟个doing
希望能帮到你