问题补充:
We more than 1,200 English words already, do you know?
A. learn
B. will learn
C. have learned
D. are learning
答案:
A. learn
B. will learn
(答案→)C. have learned
D. are learning
解析:句意:你知道吗,我们已经学了1,200多个英语单词了?根据句子中的already 可知,本句应该用现在完成时,表示从过去到现在学了1,200多个英语单词。A是一般现在时;B是一般将来时;C是现在完成时;D是现在进行时。故选C。