观察下列每组单词,判断它们各有几种读音, 并将编号填入格内。
(1)sport born worker word(2)bread sweater great easy (3)answered watched cleaned visited(4)watches lives classes knives
你想说“那时我四岁”,应说: A. I was four then. B. I am four then.
同桌想问你假期过得是否愉快,他应说: A. Were you on holiday ? B. Did you have a nice day ?
老师问你上个周末你去哪儿了,你应说: A. I was fat then . B. I went to the zoo.
We had a picnic Saturday . A.\B. nextC. last
.No! they in Beijing. A.isn′t B. weren′t C. wasn′t