—Could you tell us _______?—About three weeks.
A.how often are we going to be away B.how often we are going to be away C.how long are we going to be away D.How long we are going to be away正确答案D
—Could you tell us _______?—About three weeks.
A.how often are we going to be away B.how often we are going to be away C.how long are we going to be away D.How long we are going to be away正确答案D