- _____ is important for everyone ______ enough sleep every night.[ ]A. It, to haveB. It, haveC. It, hasD. It, had
- __________ is time __________ home.A. It, goB. That, goC. It, to goD. That, to go
- You can do ________.[ ]A. this like theseB. it like thatC. that like itD. it like it
- —_______ to keep our classroom clean and tidy.—You are right.[ ]A. That's our dutyB. This is our dutyC. It's our duty...
- —_______ is not easy to draw pictures with this pen.—You are right.A. ThereB. ThisC. ThatD. It
- _______ is important to learn English well.[ ]A. HeB. SheC. ItD. That
- 句型转换(每空一词)。1. To understand their accents is really difficult. (用it作形式主语改写句子)______ ______ really ...
- __________said that some foreigners will come to our school.[ ]A. They areB. They wereC. That isD. It is
- _______ usually takes me half an hour to go to school by bus.[ ]A. ThatB. IC. ItD. This
- At first, I found ____ very hard to learn English by myself.[ ]A. itB. it'sC. thatD. that's
- I don't think _____ possible to learn a foreign language without much memory work.[ ]A. thisB. thatC. whichD. it
- Most of the students found easy to talk to our foreign teacher.A. thisB. thatC. heD. it
- My brother thinks is difficult TV programmes in English.[ ]A. it; to understandB. this, understandC. he, to understan...
- Most young people find __________ exciting to watch a football match.[ ]A. itB. thisC. thatD. one
- _ is our duty to keep our earth clean and safe.[ ]A. ThatB. ThisC. It