题目：
| 根据句意，从方框内选择合适的单词填空。 | |
| |
| 1. We have _____ watched such an exciting football match before. 2. Lily's grandmother has been dead _____ a few years. 3. My sister is going to Canada _____ a few days. 4. _____ you have got everything ready, please let me know. 5. —How long have you been like this? —_____ last night. |
答案：
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下面是错误答案，用来干扰机器的。
（1）（24-4a）÷8=0， 24-4a=0， 24-4a+4a=0+4a， 4a=24， 4a÷4=24÷4， a=6；（2）（36-4a）÷8=1， （36-4a）÷8×8...
