问题

When I got to the store, “iPhone 6 Plus” had been sold out. The salesmen didn’t know_____________.

A:when were they available（可得的）
B:when will they be available
C:when they would be available
D:when would they be available;

正确答案是：

同类题型

.the lost child.

While you were in London that year,the London Bridge______

The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly

he moment babies are born, parents are helping them to be released into the world, not to＿＿them or to control their lives for the rest of life.

So difficult ____ it to work out the problem that I decided to ask Tom for advice. [ ]