大家帮我看几道英语语法的题,需要正确率

大家帮我看几道英语语法的题,需要正确率
1.

A world-renowned scientist said in an interview, "We'll continue our intensive research until we _______ a cure for the disease."



a.

find



b.

will find



c.

are going to find



d.

are finding


2.

I'm thinking about our vacation. Do you realize that at this time tomorrow night, _______ over the Atlantic Ocean? We'll already be halfway to Spain!



a.

we'll fly



b.

we'll be flying



c.

we're flying



d.

we'll have flown


3.

When the art teacher asks for volunteers to help clean up, Mary is always the first to say, "OK! _______ it!"



a.

I do



b.

I'll do



c.

I'm doing



d.

I'll be doing


4.

Let's have lunch at the restaurant in Central Park. After we _______, we'll go for a walk around the park.



a.

will eat



b.

are going to eat



c.

ate



d.

eat


5.

Constanza _______ dinner with us next week. What should we cook?



a.

has



b.

is having



c.

will have had



d.

will have been having