1次の文の()内の語句のうち,適するものの記号を○で囲みなさい。
イ have ウ has) already cailed Mr. Brown.
(1) I(アwwas
(2) Meg has studied math(ア for イ since ウ while) 2019.
(3) He's(ア writing イwrote
ウ written)a letter in English many times.
(4) Has your daughter received the present(ア just イ yet
ウ ever)?
(5) They(ア have made never
イ never made have ウ have never made)a cake.
(6) My father has been (ア clean
イ cleaned ウ cleaning) the windows.