Choose the correct form of the verb1.New messages should send/should be sent/in the office2.All the members can invited/can be invited to the English Song Festivity3. Diamonds can't be find/can't be found in Scotland 4. Answers to the messages must reply/must be replied by the secretary 5. How can computers be join/can be joined to the telephone lines? 6.Their suggestion is very useful. It may accepted/may be accepted at once. 7. Violent films shouldn't show/shouldn't be shown on TV