【单选题】
Sam, having forgotten to save his work [] lost all of his revisions when his computer crashed.
【单选题】
-Johnson has promised us that he will help ?us out to his best ability.
-I don’t buy it. In my opinion, ?he _______ so kind.
【单选题】
His final success ( ) his years of hard work.
【单选题】
He put all his things [] his suitcase.
【单选题】
His mother _____alone since his father died.
【单选题】
It is an ____ change that has taken place.
【单选题】
The poor child was ( ) by his parents soon after his birth.
【单选题】
He unbuttoned his shirt to _______ a big scar on his chest.
【单选题】
6. His earliest plays are excellent, but his latest one is __________.
【简答题】
Fill in the blanks with the words or phrases given below. Change the form if necessary.[evaluate; expand; reveal; fertile; convince; impulse; reach; transfer; concrete; productive; take up; right away; fall asleep; back and forth; take advantage of; try to]2. Thehours that a child plays incompany with his peers[填空1]his life space and provide him with experience in getting along with others.