Not until he left his home ______ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．he began | D．he had begun |
I’m stuck on this problem;you may askknows better than I.
| A．whoever | B．whomever | C．anyone | D．the one |
—What’s that building?
—the medical equipment is stored.
| A．There’s in which | B．That’s where |
| C．The building that | D．That’s the building which |
I knowhe said so at the meeting is true.
| A．what | B．how | C．why | D．that |
—Do you think that man will come to your help?
—I really don’t knowa person like him can help me with.
| A．how | B．what | C．why | D．if |
I must think of a proper gift for my mother，won’t be expensive but will make her happy.
| A．who that | B．the one which | C．it | D．one that |