—Guess what?I came first in that contest.—Great!You ________ a lot during the past two weeks.
The mother,________ in the kitchen,totally forgot the medicine on the table within the child’s reach.
Having failed to do what I ________ to,I’m afraid of being scolded by my parents.
Drunk driving used to occur ________ in our city,but now such cases are rare.
—Could you help me with the math problem?—________ Your must be barking up the wrong tree.
________ operation was very successful indeed,which was ________ comfort to the concerned mother.