He saw the MP4 player a moment ago, but he didn’t know how it disappeared _______.

 The new manager is intelligent and hard-working, and___________, he is very charming.

_____ to the delight of the schoolchildren, they will have a longer winter holiday which falls a week earlier than they have expected.

Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?  

To be an astronaut, you must not only be strong in mind, but also be sound mentally and___.