Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
更新时间:2024-11-24 02:25:51 A、countingAfterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
What he said in the meeting _______ everybody present.
Many kinds of animals are believed to have _________from the earth
Muchofthenewsprovidedbythisnewspaperis_______,notforeign.
Althoughthetrfficisnotbusy,helikestodriveata_______speed.
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