汉译英题,拜托了.我今天必须给他写信吗?不,不必了.__________I__________ __________hi

我今天必须给他写信吗?不,不必了.
_____Must_____I_____write_____ _____to_____him?No,you_____needn't_____.
天要下雨了.我们不得不早点回家.
It is going to rain.We_____have_____ ______to____go home early.
我们在这儿吃午饭好吗?
_____Can_____we_____have____lunch here?
我现在可以回家了吗?不,不可以.
_____Can_____I_____go_____home now?No,you_____can't_____.
李红可能迷路了.
Li Hong_____maybe_____lost her way.
他必须努力工作.
He_____must_____work hard.
吉姆去年不会说汉语,但他现在会了.
Jim_____couldn't_____ speak Chinese last year,but now he_____can_____.
昨天他不可能在北京,他一定在西安.
He_____couldn't_____ ______be____in Beijing yesterday,he_____must_____ _____be_____in Xi‘an.