Guilin is a beautiful place ______ you can enjoy yourself a lot

The chairman thought __________ necessary to invite Dr Smith to speak at the meeting

What do you plan to do on the ___________ May Dayholiday—I have no idea. Probably, I will spend it by doingmany papers.

I was so familiar with her that I recognized her voice I picked up the phone

The soldiers put up a strong________in order to protect their country