The little girl is seriously ill. Luckily we have decided to do ______ it takes to help.
| A．whichever | B．whatever | C．whenever | D．however |
You may lie ______ the ground is dry.
| A．which | B．that | C．where | D．unless |
He recognized me _____ he saw me.
| A．the moment | B．until | C．after | D．since |
The commander ordered that the wounded _____ to hospital at once.
| A．to be sent | B．be sent | C．send | D．should send |
_____ is known to all that oil and water don’t mix up.
| A．It | B．What | C．Which | D．As |
Not until _____ ten _____ to school.
| A．was he; he went | B．was he; did he go |
| C．he was; he went | D．he was; did he go |