—Did you see Tom? He said he would come back for supper at six o'clock.

—He seems ________ with Bob in the lake.

[　　]

—I knocked at your door, but nobody answered.

—You should ________ the door bell.

[　　]

—We weren't sure which way to go. In the end we turned right.

—You ________ the wrong way. You ________ left.

[　　]

A．had gone; must have turned

B．went; must turn

C．have gone; would have turned

D．went; should have turned

—Let's hurry. Professor Beach is coming.

—Oh, I was afraid that we ________ .

[　　]

It was in the small house ________ was built with stones by his father ________ he spent his childhood.

[　　]

—How did you find the lecture tonight?

—Very ________ . I doubt if I will come for his lecture next time.

[　　]

—Do you want me to lend you some money?

—I wish you ________ . I could pay you back next week.

[　　]

—Did your uncle fly to Paris directly?

—No, he traveled from Hong Kong____ London.

[　　]

—My mathematics is very poor.

—Don't worry. I'll help you ________ I can.

[　　]

—You couldn't have chosen any gift better for me.

—________ .

[　　]

A．Oh, I'd choose a better one for you next time.

B．You've had a gift for music, haven't you?

C．I'm glad that you like it so much.

D．Sorry, but don't blame me, dear.