Choose the correct item.

1) Can you help me? I Spanish.
a) am not understanding b) am not understand c) don’t understand
2) The production line at weekends.
a) don’t work b) doesn’t work c) isn’t working
3) A: What ?
a) are you doing b) do you do c) you are doing
B: I’ am an executive secretary.
4) A: Where ?
a) do you work b) you are working c) are you working
B: Paris this month, then Bonn the next.
5) A: Who to the Trade Fair with?
a) you are going b) do you do c) are you going
B: Usually with Stefano.
6) Last year sales were poor. This year they are better. Sales .
a) improved b) has improved c) have improved
7) A: When you working here?
a) have/started b) did/start c) did/started
B: In 1999.
8) The world population in recent years.
a) has increased b) have increased c) increased
9) The markets a sharp fall last week.
a) have had b) has have c) had
10) We can’t supply the goods because they the deposit.
a) didn’t paid b) didn’t pay c) haven’t paid