Chọn đán án đúng cho mỗi câu. Chia động từ trong ngoặc

Bài 1:chọn đáp án đúng:
1.I don't know where.............last night
A.he was          b.was he         c.he is             d.he be
2.It took how to take care.............my self
A.drive                 B.driving             C. to dive           D.drove
3.Hoa's parents are busy ................................it is nearly-harvest time again
A. so          B.because            C.but             D.and
Bài 2:Chia động từ:
a,When Lan's father {be}................young .He{drink}.........a lot of wine
b,Her family always {watch}..............................TV in the evening 
c,The children must {be}................back by sick o'clock