is build、was build、can be build、和will be build分别什么意思,都有什么区别

is build、was build、can be build、和will be build分别什么意思,都有什么区别 build BUILD ____a new library ____in your school last year?A.Is;built B.Does;build C.Was;built D.Did;build “Is this you new school libruary?” “Yes.It ( ) last year A.build B.built C.is bulit D.was built a new school ______these days.A is building B is built C will build D was built the bridge over the Hongshui River ＿last year A.built B.was built C.has built D.is build it was difficult __ the railroad at that time.a.built b.to build c.build d.building is medium build 和is of medium build一样吗? LOVE IS BUILD-UP是什么意思 请问在c里面,build ( )It is reported more teacher buildings_____in our school in the next term.A.will be built B.was built C.has built D.was build build sth up还是build oneself upswimming is a good way to build -----(they) up. 【单项选择】The building（）in 1999.A.built B.is built C.was built D.build【单项选择】The building（）in 1999.A.built B.is built C.was built D.build When（）the accident（）?A.was；happen B.did；happen C.is；happen D.was when was the Nanpu Bridge build? it was very difficult to build. ( )1._____ a new library _____ in our school last year?A.Is; built B.Was; built C.Does; build D The building----by the farmer in 1988.a build b is built c was built d builds 求答案与出处