TAKE ; HOW LONG; IT; TO; HA NOI; DOES; GET; TO; PLAN; BY

21. take ; how long; it; to; Ha Noi; does; get; to; plan; by?

A.How long does it get to take to Ha Noi by plan?

B.How long does it take to get to Ha Noi by plan?

C.How long it does get to take to Ha Noi by plan?

D.How long does it get to take to by Ha Noi plan?