问题

Where is your sister—She ________ my mom with cooking.
A:helps
B:helping
C:is help
D:is helping;
B:helping
C:is help
D:is helping;
正确答案是:
同类题型
There some milk, two eggs and a few apples on the table. You can take them away.– Thanks. I will.
When the first settlers came to North America, they had to ________ the forest and found a way out.
. How pleased theemperor was ____ what the cheats said!
In the dark forests , some large enough to hold several English towns.