We often provide our children with toys, footballs or basketballs, ________ that all children like these things．

thinking

think

to think

thought

________, your composition is full of mistakes．

Writing carelessly

Written carelessly

Having written carelessly

Being written carelessly

________ several times, the young scientist still kept on making his experiments．

Having been failed

Having failed

Though failed

Because of failure

On those questions ________ at yesterday’s meeting, all the professors made their views ________ clearly．

discussing; know

discussed; know

discussing; knowing

discussed; known

When she came in, she found a stranger ________ at the back of the classroom with his eyes _______ upon her．

sitting; fixing

sat; fixing

seating; fixed

seated; fixed

__________ the right decisions ________ the environment protection is probably the most important things we’ll ever do in our lives．

Making; concerning

To make; concerning

To make; concerned

Making; concerned

With no agreement ________, the leaders in the six-side talls will spend another two hours, __________ in the hotel, ____________ the nuclear problem of the North Korea．

reaching; locking; discussing

reaching; locking; having discussed

reached; locked; discussing

reached; locked; discussed

I’m sorry, but I didn’t see how we can get all this work you assigned ________ by next Tuesday．

having done

done

being done

to do

___________ for several times, Linda made up her mind not ________ for school．

Being scolded; late

To have been scolded; being late

To be scolded; be late

Having been scolded; to be late

________ everything into account, I think the work is getting on well．

Take

Taken

Taking

To take