—Is this ________ pencil?

—Yes, ________.

[　　]

My friend _________ for me when I arrived.

[　　]

A. waited

B. has waited

C. was waiting

D. has been waiting

The necklace is nice, but it's ________ expensive for me ________ buy.

[　　]

"What time ________?" "About an hour ago. "

[　　]

A. has Ann phoned

B. Ann has phoned

C. did Ann phone

D. is Ann phoning

Why ________ angry with me yesterday?

[　　]

--How long has he worked in the hospital?

--He ________ in this hospital for about five years.

[　　]

A. has worked

B. worked

C. works

D. will work

Mr. Green _________ in this small house for thirty years since he moved to this city.

[　　]

The students _______ a biology class when the visitors came.

[　　]

A. had

B. were having

C. will have

What kind of pet do you want to get?

[　　]

A. A necklace

B. A calendar

C. A mouse

--Have you ever been to Water World, Tom?

--No. I've _________ been there.

[　　]