_____ along with host families, I believe, language travel students are likely to get enough languagepractice. [ ]

you find the missing couple in the mountainyesterday——No, but we _____ to get in touch with them eversince.

Linda is singing a nice song. I have never heard ______ voice .

I think he is taking an active part in social work— I agree with you _________

One of my teachers ____ an Englishman.