- ---_____ is not easy to draw this picture.----I think so.[ ]A.ThatB.ThisC.TheseD.It
- ______ important ______ everyone to have a balanced diet.A. This; toB. It's; forC. That's; forD. It's; about
- Do you think ________ necessary to take the second turning?[ ]A. himB. itC. ID. that
- She finds _____ interesting to play with this dog.A. thatB. itC. oneD. this
- I think the snow will make_____difficult for us _____ the way back home.[ ]A. that; to findB. it; to findC. that; fin...
- _____ that they enjoyed the game very much.[ ]A. I seemedB. It seemed for meC. I seemed to knowD. It seemed to me
- _____ hard to say whether it's good or bad to clone human beings, I think.A. ItB. This isC. That'sD. It's
- _______ will take John one year to finish the plan.[ ]A. TomB. sheC. ItD. who
- _____is very important _____ endangered animals.[ ]A. This; to saveB. It; to saveC. That; saving .D. lt; saved
- 句型转换。1.I like vegetables better than meat.(改为同义句)I vegetables meat.2. To study English well is very importa...
- _______ is very nice of you to help me carry this heavy box.A. Which B. This C. That D. It
- The doctor told him that _____ was necessary to take the medicine on time.[ ]A. thatB. itC. thisD. what
- Mr Zhang finds very hard to travel around the big city.[ ]A. themB. itsC. itD. they're
- - is impolite to laugh at others.-I agree with you.[ ]A. ThatB. ThisC. ItD. Three
- Class 2 will go for a picnic. They made_____6 o'clock to meet at the foot of Mt. Tai.[ ]A. itB. thatC. themD. /