1 have always been honest and straightforward, and it doesn't matter ___ __ I'm talking to.

A. who is it   B. who it is  C. it is who    D. it is whom

A new technique ____ out, the yields increased by 20% .

A. having working        B. having been working 

C. has worked            D. had been worked

Was it in this very room ____ he made up his mind ____ he should break away from his family?

A. that; which  B. which; that C. which; which D. that; that

You ____ pay too much attention to your reading skill. It's so important.

A. cannot     B. should       C. must    D. needn't

After months of voyage, Columbus arrived in_____ later proved a new continent.

A.where  B. what  C.which    D.that

I haven' t seen Mary these past few days. I m afraid she ____ herself for some time.

A. isn't feeling           B. hasn' t been feeling   

C. hadn't been feeling    D. wasn't feeling

---Mary has a very low opinion of George.

---It can' t be any worse than ____ of her.

A. he  B. his    C. him    D. he does

---If you like the new house, I suggest you buying it.

---But it's really too expensive. I can't______ it.

A. get    B. afford    C. supply    D. support

—Is there any hope of saving his life?

     —His injuries are extremely serious, but he’s expected to ____.

A. pull in      B. pull through     C. pull up     D. pull over

—Do you have anything in mind ____ you’d like for supper?

     —Well, ____ is okay with me.

     A. that; anything     B. which; everything

     C. what; whatever     D. where; something