The robot needs _______ once a month. And we willcheck it for you for free.

Pandas would die ______ if people wereallowed to hunt ______ they wished.

I’d like to study math at university _____my cousin prefers geography[ ]

_______ the students and teachers, I wish to extend our warmest welcome to you.[ ]

I _____ Ping –pong quite well, but I haven’t had time to play since the new year