100 câu trắc nghiệm Thì quá khứ hoàn thành tiếp diễn (Past Perfect Continuous) có đáp án
Xem toàn bộ quiz

We ________ for nearly 100 kilometers before we finally found a service station where we could have a rest.

25/100

We ________ for nearly 100 kilometers before we finally found a service station where we could have a rest.

had driven

had been driving

have driven

were driving

Giải thích

Chọn đáp án: B