【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Ruth listened to the boys story carefully and thought for a long time.
①
正确
②
错误
【单选题】
______, the experiment will be successful
①
If carefully doing
②
If did carefully
③
If carefully done
④
If doing carefully
【单选题】
He never does his homework [填空] others.
①
so careful as
②
as carefully as
③
carefully as
④
as careful as
【单选题】
delve
①
give oneself up
②
clasp carefully
③
search carefully and deeply
④
look down upon
【单选题】
Mary Kingsley believed that Africans could learn technology____________ and would finally move into the modern world.
①
gladly
②
carefully
③
possibly
④
gradually
【单选题】
The doctor gave the old man a _____ examination and congratulated him on his speedy recovery.
①
cautious
②
cautiously
③
careful
④
carefully