A.It; that | B.That; that | C.What; why | D.What; that |
A.that | B.what | C.when | D.whether |
A.which | B.when | C.that | D.whenever |
A.which;it | B.that;it | C.which;that | D.that;that |
A.what he is working on | B.what is he working on |
C.what did he work on | D.what was he working on |
© 2017-2019 超级试练试题库,All Rights Reserved.