I had to tell some of them what we wanted to do next, because ________.

I didn’t know when he     back. He said he would call me when he     home.

____ much advice I gave him, he did exactly what he wanted to.

A fast food restaurant is the place ____, just as the name suggests, eating is performed quickly. 

.Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.