—Could you help me take care of my pet dog on the weekend? — I’m afraid I’m not that day.
Some students found _____ hard to study English well .
I hear a number of workers in the factory _____ out of work and the number of them ______ quite large .
You look so curious (好奇) about Beijing .Is this the first time that you _____ here ?
Is it on September 1st _____ students come back to school every year ?
I haven’t seen you for ages. How are you ______ with your English study?