Where to spend their holiday	In the （21） country country ．
When they had to arrive at the railway station	Before（22） 11：40 a．m．/11：40 in the morning 11：40 a．m．/11：40 in the morning ．
When they had to be ready	By（23） 11 11 ．o'clock．
What Mrs．Smith was doing at 11：10	She was（24） sitting sitting ．quietly in a chair in the garden．
What Mrs．Smith did last night	Mrs．Smith set all the clocks and watches（25） 20 minutes ahead 20 minutes ahead ．