Look!The man is swimming _______ the lake为什么用across而不用through

Look!The old man is e____. Look!A girl is ___(swim)in the river. Look!Jim is ____ in the river now.(swim) Look,boy_____in the lake.A.swim B.swims C.is swiming D.is swimming ( ) Look!She is looking ...(angry) at the old man . Look,the young man is d__ some r__ now Look,the young man is d__ some r__ what about------（swim）in the pool?look,she is swimming in the pool Look,there is _________old man in the playground.____old man is Mr Black The man doesn't have enough time to look after the cat 改为同义句 The man is --- busy --- look Look!They___(swim)in the river Look! The students________(swim) inthe river Look,he_____( swim )in the lake. Look!The boy 【swim】适当形式填空 Look The man is ___ ____(做实验)The woman is ____ ____(采访人） how does the man look? look,didnot,handsome,the,man. The man was found____________(die)on the ground the next day.Look!The doctor is saving the__________(die)man.