Many young people have more opportunities to study abroad. Each coin has two sides. Studying abroad also has many disadvantages. For one thing, it will cost
要借助助动词 did 完成
1) 一般情况下,在动词原形后直接加 -ed。如:wanted, played。 2) 以不发音的字母 e 结尾的动词,直接加 -d。如:hoped, lived。 3) 重读闭音节单词需双写最后一个辅音字母,再加 -ed。如: stopped, shipped。 4) 以辅音字母 +y 结尾的动词变 y 为 i,再加 -ed。如:studied, worried。
(二)用词的适当形式填空。
1 They____(be) on the farm a moment ago. 2 There____(be)a shop not long ago. 3 Jenny____(not go)to bed until 11:00 o'clock last night. 4 Danny _____(read )English five minutes ago. 5 I _____(see)Li Lei ____(go) out just now. 6 He ____(do)his homework every day. But he __(not do)it yesterday. 7 When I was young, I _____(play)games with my friends. 8 When ____you_____(write)this book? I _____it last year. 9 Did he____(have) lunch at home? 10 I _____(eat) the bread, I 'm full now.