17.【Let】(let) us play a game now!(依據(jù):祈使句,用動(dòng)詞原形開頭)
18.The sun 【rises】(rise(升起)) from east(東邊).(依據(jù):客觀事實(shí),用一般現(xiàn)在時(shí)；主語是單數(shù),謂語用單三形式)　　
19.Every day the man【ran】(run) in the park 【before he died 時(shí)態(tài)信息】(死亡).(依據(jù):從句用了一般過去時(shí),提供了整個(gè)句子所述事件發(fā)生的時(shí)態(tài))　　
20.I remember she 【look】(look) like her mother 【when she was 5,時(shí)態(tài)信息】 but 【now 時(shí)態(tài)信息】she 【is】_(be) 18.
21.It is great for me 【to have】(have) lunch in KFC.(依據(jù):固定句型結(jié)構(gòu)：It+be+形容詞+for sb to do sth)