两道非谓语动词题!
_____all the time is the key to _____progress in English
A.Practise making B.To practise making
C.Prctising make D.To practise make
The work______before building a bridge is to make a good design.
A.to go B.going C.went D.to going
第二道选项
A.must do B.must be done C.that must be done D.done