unit1相关论文
acknowledge vt. 承认,确认 acknowledge sb/sth (to be/as) 承认、认可某人、某事(是)…… acknowledge doing sth 承认做…......
vital adj. 至关重要的,生死攸关的 be vital to/for sb/sth 对某人某事极为重要 It is vital that ... (should ) do ... ......
I.单项选择 ( )1.Lucy thinks that _________ English movies isn’t a good way. A.watch B.watched C.watc......
1 单项填空(每小题1分,共15分)...

