See the flag on top of the building ? That was ___ we did this morning .A when B. which C. where D. what
_______ President Xi has pointed out, we chinese should have our chinese dreams.
The monitor suggested that we ______ for a picnic.
Does ___ matter if he can’t finish the job on time?
Don’t leave the water ______ while you brush your teeth.
He will _______ his uncle’s business when he is mature(成熟的) enough to deal with the public relations.