.
— Have you thought of a theme for your poster yet?
— No, I ______ a lot about it, but I haven’t decided.
A.will think | B.have been thinking | C.had thought | D.was thinking |
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.
— Have you thought of a theme for your poster yet?
— No, I ______ a lot about it, but I haven’t decided.
A.will think | B.have been thinking | C.had thought | D.was thinking |