Key points of 1a 1.have a sweet tooth =like eating sweet food意为"喜欢 吃甜食 2. What's more 而且/还有 3.I'm sure that... 我确信..... E.g:我确信他会来的。 I'm sure that he will come here. 4.That's good enough.很好 5.I believe we'll raise a lot of money for Free the Children. 此句为省略引导词that的宾语从句。 意为“我们相信我们将为‘解放儿童’筹集很多钱。 ”