在横线上填上带“春”字的词语。

1．迟日江山丽，____花草香。

2．草长莺飞二月天，拂堤杨柳醉____。

3．谁言寸草心，报得____晖。

4．____不觉晓，处处闻啼鸟。

Don't discuss the problems with your partner unless you ______ to do so. [ ]

A. ask

B. are asked

C. will ask

D. will be asked