用所给动词的适当形式填空。小题1:My dream is_________(become) a great writer

用所给动词的适当形式填空。
小题1:My dream is_________(become) a great writer like MoYan.
小题2:The museum_________(build) eight years ago.
小题3:We _________ (learn) 3,000 English words by the end of last term.
小题4:He was last seen_________ (leave) his office in New Town at about 7.pm
小题5:Although shopping online is fast and easy, you’d better __________(not be) crazy about it.