问题补充:
— Tommy, do you know if Frank to the zoo this Sunday if it ?
— Sorry, I have no idea.
A. will go; is fine
B. goes; is fine
C. will go; is going to be fine
D. goes; will be fine
答案:
(答案→)A. will go; is fine
B. goes; is fine
C. will go; is going to be fine
D. goes; will be fine
解析:第一个if当是否将,引导宾语从句,指将来所以用一般将来时,排除B,D;第二个if引导条件状从,当如果讲,指将来,用一般现在时代替一般将来时。所以选A。