—May I use your computer, Mr. WU?   —______．

A．Yes, you may not    B．No, you may

C．Yes I may           D．No, you may not

This dress still looks pretty on you, _______ it is out of style．

A．but      B．though      C．since      D．Unless

— Is Lily good at singing?   —Yes , she is．We often hear her_______ in the next room．

A．sing      B．to sing      C．sang      D．Sings

— Will you go to Sandy’s birthday party?  — I won’t go unless Tony______．

A．was invited     B．has invited

C．is invited   D．will be invited

—_____will you stay here?     —Until tomorrow afternoon．

A．How long     B．How soon

C．When      D．How often

My shoes are worn out．They need_______．

A．to repair     B．be repaired

C．repaired     D．repairing

_______ Andy was playing，his mother came home．

A．While   B．Until    C．Although   D．Since

一Look! There is a small bridge on the river．

一It ________ two days ago．

A．built    B．was built

C．has built   D．has been built

It is said that the gravity on Mars is only about __________ of the gravity on earth．

A．three-eighths  B．third-eighth

C．three-eighth  D．third-eighths

---I met Daniel in the street yesterday, I ________ him since he left for Beijing．

--- Well, does he look like what he used to be?

A．haven’t seen B．didn’t see

C．hadn’t seen D．wouldn’t see