A.did he realize
B.realized he
C.he realized
D.he did realize
Which of the following is true according to this passage? ______.
A.Settlers in the west lived on the Joshua tree
B.The Joshua tree was valuable to the native American of the west
C.The native Americans of the west could eat a whole Joshua tree
D.If there hadn't been the Joshua tree, the native Americans would have died out
B、should not follow
C、mustn’t have followed
D、hadn’t followed
Why didn't he eat anything?
A.He had forgotten to bring any food with him.
B.He was afraid he would fall asleep if he should eat anything.
C.He was not hungry.
D.It was difficult to eat while flying a plane.
A.Because he is too old to eat it.
B.Because he likes to eat.
C.Because he wants to eat.
D.Because he always tries new things.
I hadn’t seen him for years, but I () his voice on the telephone.
A.realized
B.recognized
C.discovered
D.heard
He was so hungry last night because he______nothing to eat since breakfast.
A.had had
B.had
C.has
D.has had