_____ I cannot understand is _____ she wants to resign her present job.
Mary got into acting purely _____________.
It is no use thinking about your ________ youth.
---Must he come to sign this paper himself? ---Yes.He______ .
I wonder how he could __________ not handing in his maths exercises yesterday, for his maths teacher is always strict with his students.
The basin _______ water soon. You can’t pour more in.