__________ is really hard __ them to climb such a high mountain.
Don’t believe it! It is only a. A、truth B、event C、hoax
I had a good timeNew Year’s Day. A、on B、in C、at
When I began to sing, they laughed and laughed, which made me. A、exhausted B、embarrassing C、embarrassed
The French fries were invented. A、by mistake B、at present C、in a minute
All mobile phones mustduring the meeting. A、turn off B、are turned C、be turned off