1.I will wait ( )he comes back,because I have something to t

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1.I will wait ( )he comes back,because I have something to tell him.
A until B before C when D while
2.What ( )exciting news it is Is ( )new true?
Aan,the B an ,a C /,the D / ,a

1.A until直到…… 不选when,是因为when he comes back,表示当他回来的时候,是一个时间点,这样的话,就不能用I will wait ,而是I am waiting when he comes back.需用现在进行时.
2.C news是不可数名词,所以不能用a/an

1.I will wait ( )he comes back,because I have something to t I will wait()he comes back,because i have something to tell Must I wait till he comes back No,you( ). 1.I'm afraid we will not wait till our teacher comes back.（改 please wait me for a w（）,because I have something to do 1.I __ (wait) until he comes back.2.Can you tell me if it __ Don't worry I will tell him ___ he comes back A befor Bas so ( )I will be back in a minute.You have to wait here for _. 1.i will wait to friday. 2.i want to do something for change I will not tell him until he comes back tomrrow. I couldn't have the opportunity (because I had to go back to 1.i (tell) him the news as soon as he comes back.2.i ()mum t