Grammar in use 31 must.....
must +v.
mustn't +v.
have to * + v.
had to + v.
don't need to + v. 不必做...
fantastic adj. 极好的
film n.电影
shout v. 喊叫
useful adj. 有用的
a lot of + [u]/[pl.]许多...
until prep. 直到...
leave v. 离开
appointment n. 预约,商务约会
full adj. 满员
on time 准时的
post office 邮局
stamp n. 邮票
reserve v. 预定
present n. 礼物
happen v. 发生
safe adj. 安全的
hurry v.急忙,催促
wait v. 等待
forget v. 忘记
lose v. 丢失
immediately adv. 立刻
patient adj. 耐心的
paper n. 文件,考卷,报纸
(an) hour n. 小时
keep v. 存放
nearly adv. 几乎
learn to +v. 学会做...