6．I ________(not see)my aunt for a long time

5．You ________(have)your lunch already，haven't you?

4．Thank you so much for ________(invite)me．

3．--What were you doing when the UFO took oft?

--I ________(watch)．

2．________people ________(use)money in 100 years?

根据句意用所给动词的适当形式填空，必要时可加情态动词。

1．Peter ________(come)here tomorrow，but I'm not quite sure．

10．Wang Lin has a ________(俄罗斯)pen pal，and my pen pal is from Australia．

9．I think kids should learn to plan things for ________(自己)．

8．The girl felt nervous ________(尤其)when the teacher asked her questions．

7．Never ________(争吵)with your parents or teachers．Be polite to them．