---Is_______ necessary to learn another language? --- I think so.
| A．this | B．that | C．it | D．he |
It’s very kindyou_____ help the old people in need.
A. to, in B. of ,to C. at,for
On my way ____ home, I lost a ticket ____ Titanic.
A. to; to B. to; of C. /; to
The little girl felt upset ____ her pet dog died.
A. why B. because of C. because
We are proud of _____ in Shengli High School.
A. study B. studying C. to study
He thinks everything doesn’t.
A. goes wellB. going wellC. go well