Have our working conditions improved? —No, ______than before, I’m afraid.

Students often ______ a lot of difficulties when they communicate with foreigners for the first time.

g about his success, the famous scientistsaid, “I’ve been lucky ______ there are many people who have helped me”

E-mail is much _____ than long-distance calling.

I want to ___________ my grandmother something about my new friend on the phone, but she can’t__________ me very well.