He must be in the park , ____ ?
All newspapers reported that the Chinese soldiers ______ an important role in fighting against the heavy snowfalls.
I hadn’t seen her for 10 years, but I ______ her at once.
There is ______ thing as a free lunch.
The old woman walks ______ dog after ______ supper every day.
I have got ______ of the work, because it is too ______.