— Is your brother ______ at singing ? —No. But he really does _______ in dancing .
It is winter now. The weather in Nanjing is becoming .
--- Why did you buy two pairs of shoes?--- It was so hard to choose which was________, so I took them both.
Dear students, please read every sentence carefully. ______ you are, ________ mistakes you’ll make.
I was so tired that I could ___ walk any farther.
The boy writes ________ .