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