Without the atmosphere _______ our earth
问题:
Without the atmosphere _______ our earth from the sun, it _____ be too hot for any living things to live on. [ ]
A. to protect; would
B. protecting; will
B. protests; will
D. protecting; would
Without the atmosphere _______ our earth from the sun, it _____ be too hot for any living things to live on. [ ]
A. to protect; would
B. protecting; will
B. protests; will
D. protecting; would