问题

Look! They _______________ a picnic.
A:have
B:is having
C:are having
D:having;
B:is having
C:are having
D:having;
正确答案是:
同类题型
Have you seen the film Alice in Wonderful— Yes. __________ wonderful film it is!
The boy ______ down by a truck when he was running across the road.
I preferred _______the long jump rather than ________in the relay race in the school sports games.
Occasions are quite rare ____ I have thetime to spend a day with my kids.
eir ________ on the top of the TV Tower, visitors can have a better view ofthe city