Đề thi chính thức Tiếng Anh vào 10 năm 2020-2021 (Đề 27)

(22) ______, it has some disadvantages as well such as: it doesn't work at night

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(22) ______, it has some disadvantages as well such as: it doesn't work at night, and the cost is very high because it is expensive to build solar power stations.

Since

Although

However

Untill

Giải thích

Đáp án C