if it ——tomorrow we will have a picnic..
if it ——tomorrow we will have a picnic..
A.won't rain
B.doesn't rain
C.isn't raining
D.n't rain
.B和C的区别是什么?
what if he ——?
A.A.won't come
B.doesn't come
C.isn't coming
D.wouldn't come
..与上题类似..可我也不明白B和C.
A.won't rain
B.doesn't rain
C.isn't raining
D.n't rain
.B和C的区别是什么?
what if he ——?
A.A.won't come
B.doesn't come
C.isn't coming
D.wouldn't come
..与上题类似..可我也不明白B和C.
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