He asked me whether my brother ________ (fly) to Beijing.
had flown
暂无解析
Howlong________they________(dig)theditch?
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Heaskedmewhethermybrother________(fly)toBeijing.
