Choose the best option to complete the sentence.
As soon as the spacecraft ________ into space, the crew started to observe the sun.
travelswas travellinghas travelledhad travelledMôn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best option to complete the sentence.
As soon as the spacecraft ________ into space, the crew started to observe the sun.
travelswas travellinghas travelledhad travelled