— Sorry, I made a mistake again.   

— _______. As long as you practice more, you’ll succeed one day.

A. Never mind            B. Certainly not        C. Out of the question  D. Don’t mention it

Madame Curie is believed _______ radium.

A. discovering           B. having discovered    C. to have discovered   D. to discover

Having taken our seats, _______.

A. the professor began the lecture              

B. the lecture began in no time

C. we were attracted by the lecture immediately

D. the bell announced the beginning of the lecture

Apart from being good at teamwork, he is tall, strong and athletic. _______, he is the best choice for the coming basketball match.

A. All in all            B. In addition      C. After all            D. By the way

While visiting the robot exhibition, the professor kept nodding his head to express his _______ with his students’ work.

A. description           B. congratulation       C. ambition             D. satisfaction

Who was it _______ wanted to see me just now?

A. whom              B. that             C. when             D. which

Do you think the reason _______ he gave is believable?

A. which             B. why              C. what                 D. to which

_______ his membership card, Tony decided to make a phone call to check whether there was something wrong．

A. Not having received                       B. Not to receive

C. Not received                              D. Having not received

It’s years since I _______ him last time, and I haven’t written back to him.

A. heard of          B. heard out            C. heard about     D. heard from

Thank you for your timely help; otherwise we _______ in great trouble now.

A. are               B. would have been    C. would be           D. were