A: This problem is too difficult. I can’t solve it. B: Is it really too difficult for you _____?
He’s not strong enough _____ me.
A: What are you _____? B: I’m resting.
She is able _____ 100 meters in 9 seconds.
A: Shall I buy meat or fish? B: I’ve already told you what _____.
I am sorry _____ you.
It is important _____.
A: He is a doctor. He looks very young. B: Yes. He doesn’t look old enough _____ a doctor.
It takes him an hour _____ to the bank.
