–With 4G mobile phones, people can even see each other as they talk.
–Really? Would you show me it, please?
| A．how to use | B．when to use |
| C．where to use | D．what to use |
The boy found a wallet on the ground and stopped _________.
| A．picking it up | B．picking up it | C．to pick it up | D．to pick up it |
Jim is unhappy, do you know_____?
| A．what he happened |
| B．what the matter is with him. |
| C．what happened to him |
| D．what did he happened |
Mr. Green told us____ too much time____ reading novels.
| A．don’t take; on | B．not to take; in | C．not to spend; in | D．don’t to spend; on |
My mother was cooking while I____ the radio.
| A．listened to | B．have listened to | C．was listening to | D．is listening to |
Lucy does her homework very ________. She is ________ than Lily.
| A．carefully, much more careful | B．carefully, much carefuller |
| C．careful, many more careful | D．careful, a little carefuler |