_____ hard before, Tom is afraid of failing in the exam.

_____ hard before, Tom is afraid of failing in the exam. ____ hard before,Tom is afraid of failing in the exam. 一道英语单选.________hard before,Tom is afraid of failing in the e didn't study hard.He is _____ failing the exam. I'm afraid of ____in the exam. A.fail B.failing C.to fail D. Tom studied hard and tried _____ the exam. Tom works very hard-- -he sitll failed in the exam ---Tom didn't pass the exam.---Yes.He is _____ in his class. Tom is afraid of flying.He feels _____ befor he gets on the the effect of failing to pass an exam 英语翻译I have been so afraid of failing but there is no failing Did you do well in the exam,Tom?I'm afraid not.I made many__