Most birds find it ____ to sleep in the trees.
A. was safe B. safe C. to be safe D. being safe
The children talked so loudly at dinner table that I had to struggle ____.
A. to be heard B. to have heard C. hearing D. being heard
Peter earns ____ his brother does.
A. as much twice as B. twice as much as
C. much as twice as D. as twice much as
Edward couldn’t remember when he first met Mr. Crook, but he was sure it was ____ Sunday because everybody was at ____ church.
A. 不填; the B. the; 不填 C. a; 不填 D. 不填; a
____ in the fields on a March afternoon, he could feel the warmth of spring.
A. Walking B. To walk C. Walked D. Having walked
Only when I left my parents for America ____ how much I loved them.
A. I realized B. I had realized C. had I realized D. did I realize
