What worried the child most was _________ to visit his mother in the hospital.
I am sure David will be able to find the library---he has a pretty good___of direction
The people present all make it clear that determination is the___of his constant success
One of the commonest___of traffic accidents is___people don’t obey traffic rules
According to the recent research,heavy coffee drinking and heart attack is not necessarily___and effect
If vocabularies are the”building materials”of language,sentences are the”___parts” of writing