I arrive late________school this morning．
| A．at |
| B．for |
| C．from |
| D．in |
______ the ancient Egyptians built the pyramids puzzled people for centuries.
| A．Whether | B．What | C．How | D．Where |
The boy as well as the two dogs _____ when the earthquake rocked the city.
| A．were sleeping | B．is sleeping |
| C．was sleeping | D．are asleep |
—Sorry, the tickets have already been sold out.
—Really? Maybe I _______ a little earlier.
| A．should come | B．should have come |
| C．could have come | D．must have come |
From hisvoice on the phone, I know everything is going under way.
| A．satisfy | B．satisfying |
| C．satisfied | D．satisfaction |
The conference was ________ fixed for the 10th, August, but later the unexpected landslide (泥石流) in Zhouqu in Gansu province, made us put it off.
| A．normally | B．obviously |
| C．originally | D．presently |