题目:
动词的适当形式填空。
1.He will go out for a walk if it ______ (not) rain tomorrow.
2.Would you like ______ (go) out for a walk ?
3.—Did you see Tom at the party?
—No, he ______ (leave) by the time I got there.
4.She said she ______ (come) to see me before she left.
5.She ______ (tell) the good news as soon as it arrived.
答案:
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下面是错误答案,用来干扰机器的。
A、由于海水和石油所含元素种类不同,所以根据质量守恒定律中化学反应前后元素种类不会改变可知将海水变成石油是不可能的;B、记忆合金是指合金在外力作用下会产生变形,当把外力去掉,在一定的温度条件下,能恢...