I really enjoyed your lecture, ________ there were some parts I didn't understand．

A．because

B．unless

C．though

D．after

________ people went to the concert which was held in People's Square ________ the night of May Day．

A．Thousands of, in

B．Thousand, on

C．Many thousand, in

D．Thousands of, on

I think ________ of the questions I listened to at the beginning of the exam ________ easy．

A．three fourths, is

B．third four, is

C．three fourths, are

D．three fourth, are

Remember to spend some time ________ your relatives．They care for you．

A．from

B．with

C．in

D．on

Remember this, ________ careful you are, ________ mistakes you will make．

A．the more, the less

B．the more, the fewer

C．the less, the fewer

D．the more, the more

Nick, would you mind ________ those old jeans? They look terrible．

A．not to wear

B．not wear

C．wearing not

D．not wearing

Daddy did all kinds of things to make the baby ________．

A．to stop crying

B．stop crying

C．to stop to cry

D．stop to cry

Last week, Jack ________ to a birthday party and he had a lot of fun．

A．invite

B．was invited

C．invited

D．is invited

Great changes ________ in our city in the past three years．

A．took place

B．have taken place

C．were taken place

D．have been taken place

We usually go to ________ school on weekdays, and go to ________ cinema on weekends．

A．/, the

B．the/ the

C．the, /

D．/, /