Last night he saw two dark ___ enter the ？

Last night he saw two dark ___ enter the building,

Last night he saw two dark ___ enter the building,

He wrapped her up with great care, the night ______ dark and frosty.A．isB．beenC．beD．being

Two substitutes were used in a fierce soccer game last night. The underlined part means___

He ______ in jail because he broke the traffic law last night.

This is the man ______ last night.A: whom I saw himB; whom I sawC; what I saw