1. Let __________(we)go to the zoo.

2. You must do it __________(careful).

3. There are two__________(box)of apples over there.

4. Let Li Lei__________(help)you with your English.

5. —Here is your pen, Tom.

—__________(thank)very much.

A：Hello． Here is your pen．

B：Thanks very much．

A： ________

[　　]

A．Sorry

B．All right

C．That's welcome

D．Not at all

A： Hello. Here is your pen.

B：________very much!

A：_______?　　　

[　　]

A．Thank, That's right　　　　    　　   　B．Thank you, That's all

C．Thanks you, You're welcome　　　 D．Thank you, Not at all

A：Hello． Here is your pen．

B：Thanks very much．

A： ________

[　　]

A．Sorry

B．All right

C．That's welcome

D．Not at all

—Here is your pen, Dave．

—__________．

A．Yes，it is             B．Bring it to me           C．Excuse me             D．Thanks a lot