9 he usually sleeps well. But last night he slept badly .
10 as a rule, I walk to the institute , but yesterday I took a bus.
11 did she buy a new dress yesterday? No, she didn't buy it.
12 did they sell their house a week ago? I didn't know.
13 she is ill now. She ate an ice cream yesterday. 14 when did you leave the office yesterday? 15 are they happy to see you now?