The doctor did what he could_________ the dying man.
| A．save | B．to save | C．saved | D．saving |
---________does your brother use the Internet? ---Once a week.
| A．How often | B．How many | C．How much | D．How long |
________ it is snowing, it isn’t very cold.
| A．Although | B．If | C．When | D．Because |
He was born________ October, 2002.
| A．on | B．in | C．at | D．Of |
How _________water do new trees need?
| A．soon | B．many | C．much | D．often |
He is a funny boy. He often makes us________.
| A．laughing | B．to laugh | C．laugh | D．laughs |