—Dad, when shall we go to visit my grandpa?
—Grandpa is very busy at present.We'll go to see him whenever __________.
A.he is convenient | B.he will be convenient |
C.it is convenient to him | D.it will be convenient to him |
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—Dad, when shall we go to visit my grandpa?
—Grandpa is very busy at present.We'll go to see him whenever __________.
A.he is convenient | B.he will be convenient |
C.it is convenient to him | D.it will be convenient to him |