. The reason ________ he referred to for his success is ________ he always working hard.
| A．why, that | B．why, because | C．that, that | D．that, because |
They ________ many difficulties during World War II, but they never lost confidence about life.
| A．went over | B．went through | C．went up | D．went on |
English now is also spoken as ________ foreign or second language in ________ South Asia.
| A．a; 不填 | B．the; 不填 | C．the; the | D．a; the |
. —Dad, dad! My head hurts so much. I think I’m dying.
—________, darling! The doctor says you will feel better soon.
| A．That will do | B．There, there | C．That’s right | D．So long |
Though_______ money, his parents managed to send him to university.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
Nature reserves are very important for preserving many animals and plants, which would _______ run the risk of becoming extinct.
| A．otherwise | B．therefore | C．though | D．instead |