When it comes to____his classmates with the homework, he never feels tired.
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?
The new stadium being built for the next Asian Games will be _____ the present one。
With the world _____ fast, we have something new to deal with all by ourselves every day.
Most children need encouragement in time of failure _____ they can cheer up again.