填空题

填空题 There was no change until the end of the period, when computer sales rose sharply.

填空题 At first computer sales rose sharply, but then fell gradually for the rest of the period.

填空题 Computer sales showed a dramatic increase for most of the period but dropped slightly towards the end.

填空题 Computer sales fell during February but rose again in March to exceed the January sales.

填空题 Computer sales rose steadily throughout the period.