【正文】
u Wu Yifan?23)When _____ your mother’s birthday?24)Winter _____ ing.25)There _____ seven days in a week. 26) What _____ you doing?27)What _____ the monkey doing? 28) What _____ the monkeys doing?29)My sister _____ reading books. 30) I _____ doing my homework.練習二:在下面的短文中填上恰當be動詞。物主代詞可分為形容詞性物主代詞和名詞性物主代詞兩種。(我) am a teacher. father is talking with _______(我).(他) often plays basketball after school.(他的) teacher is good.(我們) buy a pair of shoes for _______(他). pass_____(我們) the ball.(他們) are listening to the radio. is _______(我的) book. That is__________(他的) (他的) chair is blue. _____________( 我們的) is yellow.(我們的) classroom is ( 你們的) is small.(他) often plays basketball after school.(他的) teacher is good. _____(她的)is good too. book is blue. _________(you) is red. chair is better than _________ ( they). will give the presents to________(they). books are________(I), and those are____(you). ruler is long. ________ ( you ) is short. bike is broken. May I borrow______ ( she)? you show _______(I) your book?’s time for ______(they) to go home.. Green often tells _______(we) some stories. are not your des