1 There's not much to it. ▷ There's not much to it: 很容易,没什么难的。通常在讲解如何操作某种东西时使用。 You just flip that switch and wait. There's not much to it. 只要...
7、Since this road is wet and slippery this morning, it ___ last night. A. must rain B. was raining C. must have rained D. may rain 8、She ___ be ill because I saw her playing tennis just now. A. can't B. couldn't C. mustn't D. may not 9、I___ my...
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