---- Which city will be host city for the next Olympic Games?
---- London.
| A．a | B．/ | C．the | D．an |
Along the way children ______ long wool coats stopped to look at us.
| A．dressing in | B．dressing | C．dressed in | D．dressed |
Is this the reason _____ at the meeting for his carelessness in his work?
| A．what he explained | B．why he explained | C．he explained | D．how he explained |
______ in his studies, he didn't know that all the others had left.
| A．Buried | B．Burying | C．Having buried | D．Bury |
We had much difficulty __________ home in the snowstorm.
| A．walked | B．walk | C．walking | D．to walk |
“Be careful, do not stand ___________ to the fire, Jim.” Mrs. Thompson said to her little son.
| A．closed | B．closely | C．close | D．closing |