--Howdidtheaccidenthappen?Thegirl_______Wechat(微信)whilewalkingacrossthestreet.
A. reads
B. isreading
C. wasreading
D. read
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MysisterwithmyparentsdumplingswhenIgothomeyesterdayevening.
A. aremaking
B. ismaking
C. wasmaking
D. weremaking
--CouldyoutellmewhereyoufoundMissGaojustnow?Gertainly.Intheprincipal'soffice.They_______happilyatthattime.
A. aretalking
B. havetalked
C. weretalking
D. talk
SunHai_______hismothermakedinnerwhenhisfathergothomefromwork.
A. washelping
B. helps
C. helped
D. ishelping
--Ishoutedtoyouatthegate,bueyoudidn'thearme.Really?I____atelephonecalltomymother.
A. make
B. wasmaking
C. made
D. havemade