His sister’s never been to the Summer Palace, ________

The man was disbelieved ______ evidence came to light _______ he was trapped by the murderers.

Now where was I ?— You ______ me about your travels in Canada

The teacher _____ his students to work hard. [ ]

In the city of London, you can see fantastic modern architectures and antique buildings ________ eachother, ________ a sharp contrast between modern and ancient architectural styles[ ]