Before I made any attempt, I used a stick to test the depth of the river, and _________ at the great depth of it, not daring to take further action.
Only in this way ______ progress in your English .
In our class there are 46 students, _____ half wear glasses.
They are broadening the bridge to ________ the flow of traffic.
It is the third time so far that such a festival ________in my hometown.
In China, smokers have to face the reality that ______ people are dying of lung cancer.