问题
It’s a ____coincidence that the day before his retirement, my English teacher will have been teaching for a total of forty years.
A: serious
B: cautious
C: curious
D: previous
B: cautious
C: curious
D: previous
正确答案是：
同类题型
How was your recent trip to Sichuan—I’ve never had ________ one before.
Some students often find _______ difficult _______ remember the English words.
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14. —- Is it Tom that playing basketball? —- It __________ be him. He is so crazy about basketball.