1.  —I have some troubles. I don't know how to deal with them.
—Tell me something about them. Please don't keep them to ________.

A.himself                       B.myself                        C.themselves               D.yourself

2.  —Susan, can you come to my party tomorrow?
—Sorry, I'm ________ not. I have to look after my sister at home.

A.afraid                         B.busy                            C.available                    D.worried

3.  —Which ________ will Jack join in?
—The long jump. He is good at it.

A.event                         B.concert                      C.job                               D.discussion

4.  I didn't know he came back ________ I met him on the street.

A.until                            B.though                       C.after                           D.when 

5.  When the cold winter comes, people always ________ the coming of a warm spring.

A.look down upon                                               B.look up to
C.look forward to                                                D.look out for