Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
to be done
暂无解析
Iwouldratheryou__(come)tomorrow.
Heblamedhispoorperformance_____jetlag
Not until recently_____that Thompson had ben telling the truth all along
He blamed his poor performance_____jet lag
Everyboyandgirl___(treat)inthesameway.