Choose the word which best completes each sentence.

1. My work’s got worse and worse. UnlessI ..............I’ll fail my exams in the summer.
a. get well
b. improve
c. increase
d. get back
2. Oh dear! My watch has ...!
a. ended
b. stopped
c. finished
d. completed
3. If you work for someone, then you are
a. a slave
b. unemployed
c. an employer an
d. employee
4. I’m afraid there’s no.............of seeing Mr Brown until tomorrow.

a. possibility
b. wish
s opportunity
e. chance