Hot metal ________ as it grows cooler.
A、contractsA
暂无解析
Iwishyou________likethat.
Heaskedmewhethermybrother________(fly)toBeijing.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
Iknowitisn’timportantbutIcan’thelp________aboutit.
Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
