He          have forgotten to pay before he was stopped by the store keeper.

A．should      B．could        C．must        D．would

—Wow! Jenny, I still owe you for the film ticket yesterday.

—          .

A．Forget it   B．No problem      C．Don’t mention it      D．Take it easy

         to a university in the UK, international students must display a strong ability in spoken and written English.

A．Having been admitted     B．to be admitted    C．Being admitted    D．Admitted

Yahoo! was switching to its own web search technology and       its use of competitor Google.

A．finding      B．making     C．having      D．dropping

We should do more such exercises in the future, I think,          those we did yesterday.

A．a(chǎn)s            B．like           C．except             D．than

—         was it        they discovered the entrance to the cave of the ancient paintings?

—It’s a total coincidence.

A．How; that        B．What; that        C．When; when    D．Where; that

—Look! You’ve made the same mistake again!

—Oh no, not again!          such a mistake.

A．I always make                                            B．I’m always making

C．I’ve always made                                       D．I always made

Migrant workers may bring about some negative impacts. They contribute greatly to the development of the cities,      .

A．yet    B．a(chǎn)lthough    C．though      D．either

Years of efforts     when they saw the pictures of the moon sent back to the earth by Chang’e-1.

A．paid off    B．took off    C．showed off      D．went off

Look at that fat lady! She should carry two very big cases. I love          !

A．her           B．them         C．it       D．that