oblem lies __________ we are nowgiving him a fish, not teaching him to fish

With 4G mobile phones, people can even see each other as they talk. ——Really Would you show me it, please

A expression appeared on his face when he learned his bike had been stolen.

We had a marvelous holiday: only the lasttwo days were slightly _____ by the weather.

We can get a lot of useful information on the Internet; ______, the Internet also provides us with a new way of communication