【文章內(nèi)容簡介】
us some useful ways to keep our / the brain active and our / the memory strong.He / She tells us how to keep our / the brain active and our / the memory strong.九、完成句子(共10 分,每小題2 分)70. Why not / Why don’t you71. be late for72. too short to / not tall enough to / so short that she can’t73. do sports / play sports / do exercise / exercise as much as possible / as much as we can74. It’s (very) important for teenagers to get on / along well with /For te