A.have sent | B.have been sent | C.has sent | D.has been sent |
A.study | B.am studying | C.have studied | D.studied |
A.is decorating | B.is being decorated | C.will decorate | D.has been decorated |
A.came | B.coming | C.come | D.comes |
A.had gone; must have turned | B.went; must turn |
C.have gone; would have turned | D.went; should have turned |
A.you are convenient | B.you will be convenient |
C.it is convenient to you | D.it will be convenient to you |
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