Did you go on the Silk Road trip by train？
Yes． The train was great， just like a hotel_____wheels﹣it had all that I needed．（ ）
A．inB．atC．onD．by
The students in this school ______ to choose their own school uniforms．（ ）
A．are allowedB．allowed
C．are allowing
"Actions speak ______ than words，"as the saying goes．（ ）
A．loudB．louderC．loudest
We have decided to sell five things ______ we no longer use．（ ）
A．thatB．whereC．who
Brown draws a picture of the criminal，and the police put ______ on the Internet to find him．（ ）
A．himB．herC．it
The world is changing with every second；and China，______ too，with every second．（ ）
A．is changingB．had changed
C．changed