Rose cooks meals at home on Sundays．She never eats ________ her mother comes back and she'd like to enjoy it together．（ ）
A．untilB．whenC．after
﹣﹣﹣Mary and her classmates are busy preparing for their final examination．
﹣﹣﹣That's why you can always see learning in the library．（ ）
| A． |
them |
B． |
us |
C． |
her |
﹣﹣﹣The dining hall is specially built for ．
﹣﹣﹣That's great! People over seventies won't have to worry about their daily meals．（ ）
| A． |
an old man |
B． |
the old man |
C． |
the old |
If you are friendly to others， you______make more friends．（ ）
| A． |
would |
B． |
could |
C． |
will |
﹣﹣﹣I don' t know______we will go．
﹣﹣﹣Why not？ We will go to the beach for a picnic．（ ）
| A． |
Where |
B． |
When |
C． |
how |
﹣﹣﹣What do you usually do before going to bed？
﹣﹣﹣I______．（ ）
| A． |
used to write diaries |
| B． |
am used to sleeping |
| C． |
am used to reading |