1£®The island is equally (equal)attractive in spring  and autumn because of the pleasant weather in both seasons.

2£®The lecture is worth listening (listen) to£¬though it is  rather long.

3£®Many millionaires and billionaires are keen on contributing to charities.

4£®The death and destruction were beyond  description  (describe)£®

5£®His elder sister is lacking (lack)in patience.

6£®The woman always referred (refer) to his husband as “my old man” when he was alive.

7£®So far as I know£¬English is not difficult to_learn (learn)£®

8£®I am sorry   to_have_kept  (keep)you waiting for such a long time.

9£®He's uncertain whether he is equal to  the task.

10£®In addition (add)£¬you should pay attention to your pronunciation.