问题

Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden

A:has served
B:had served
C:is serving
D:served

正确答案是：

同类题型

If you want to make a fruit salad, you should choose fruit _____ and never leave it in the air for ____________, or it’ll turn brown quickly.

Hello, may I speak to Millie, please — _______.

Thanks for _______ me your story.

Which of the following words can be used to compare or contrast except “ ”.

Do you happen to know ________