单选:The shop assistant — a lot of English in the last three years.1 learned 2 has learned 3 are learning.

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单选:The shop assistant — a lot of English in the last three years.1 learned 2 has learned 3 are learning.

单选:The shop assistant — a lot of English in the last three years.1 learned 2 has learned 3 are learning.
单选:
The shop assistant — a lot of English in the last three years.
1 learned 2 has learned 3 are learning.

单选:The shop assistant — a lot of English in the last three years.1 learned 2 has learned 3 are learning.
2 has learned.

2

2 有in加一段时间是进行时态

2