—Did you ask your pen pal ___?—Yes, he’ll come here after the exam.
The traffic on the main streets has a longer green signal than______ on the small ones.
People develop ______ preference for a particular style of learning at ______ early age and these preferences affect learning.
It was only a very short time _______ the young lady found her cellphone stolen as she got on the crowed bus.
When television was first introduced, the extent _______ it would affect society could not have been foreseen.
He thought the jar made ______ earth ______ little value and let me have it ______ only 5 dollars.