单选题 The problem is easy enough ____.

单选题 I'm sorry I ____ your book for such a long time.

单选题 She said she ____ to the park the next day.

单选题 We won't leave ____ our teacher comes back.

单选题 He is looking forward to ____ from his parents.

单选题 The question is ____ difficult ____ few students can answer it.

单选题 ____ of the students in our class ____ interested in playing basketball.

单选题 He can speak ____ English ____ French.

单选题 There ____ a meeting tomorrow afternoon.