How do you guess ________?
A．did they finish the work within so short a time
B．they finished the work within so short a time
C．had they finished the work within so short a time
D．will they finish the work within so short a time
With his horse ____to the tree, the man had a rest in the shade.
A．tying B．tie C．being tied D．tied
The boy broke the rule ______ he got punished.
A．so that B．in order that C．so as to D．in order to
The meetings are very short, so there is little _____ to have a real discussion.
A．challenge B．change C．chance D．chapter
After the heavy rain, the level of the lake rose ___ 1 meter ___ 8 meters.
A．to; by B．by; to C．of; to D．to; to
George. W. Bush, _______ President of the United States, is to visit China _______ third time.
A．a；a B．the；a C．/；a D．/；the
