— _____ has your uncle been to Canada? — Only twice. [ ]
A.
How many times
B.
How often
C.
How long
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【简答题】Fill in the missing words according to the sentences. 用第三单元中的词汇填写下列空缺的单词 1. What is Sam doing at 8 in the morning? He is h________ breakfast. 2. What do you u________ do on Sunday? 3. Sleeping is g___...