21．If you ____ your money ____ mine, we will have enough to buy one more set of stamps to ____ our collection.
A. join; in; add B. add; to; add to
C. put; to; add up D. add; in; add up to
22. ____finish their task ahead of time, the students worked harder and harder.
A. So as to B. As to C. In order to D. In order not to
23. You have no idea what I’ve had to ____ during the last few months.
A. come true B. go through C. come up D. look through
24. Taking plenty of exercise every day can make you full of ____, I think.
A. power B. strength C. energy D. force
苏教版小学一年级英语下册Unit5 On the road教案
一年级英语下册Unit2 Small animals第三课时教案
牛津版一年级英语上册unit5 Fruit教案(3)
苏教版牛津小学一年级英语教案Unit1 What`s your name
一年级英语上册教案 Unit1My classroom 第三课时
牛津版一年级英语上册unit5 Fruit教案（2）
牛津版一年级英语上册unit5 Fruit教案(1)
上海牛津版一年级英语Unit 9 Revision单元分析教案
上海版牛津一年级英语教案Unit8 Playtime（总五课时）
上海牛津版一年级英语下册Unit2 Small animals第五课时教案