Don't go out ___ the rain stops. Otherwise, you'll get wet!
| A．after | B．since | C．when | D．until |
The librarian told me that I could ___ these magazines for three days.
| A．borrow | B．buy | C．keep | D．return |
___ great fun we had in Yandu Park last Sunday!
| A．How | B．What | C．What a | D．How a |
This photo reminded the old man ___ the days when he was young.
| A．with | B．for | C．by | D．of |
I don’t know ______.
A．where she comes from
B．how old is she
C．when was she born