Mother was busy washing dishes ________________ Father was watching TV．
| A．until | B．if | C．since | D．while |
Cathy was a teacher from Newcastle, is almost as far north as you can g
| A．who | B．which | C．that | D．where |
Atlanta, as well as many other big cities, once again becoming one of the commercial and cultural centers of the USA right now.
| A．is | B．are | C．has been | D．have been |
in diving suits, they walked into a magic world lighted by lamps on board.
| A．Dressing | B．Wearing | C．Worn | D．Dressed |
The headmaster didn’t make clear when and where the sports meeting would be held.
| A．this | B．that | C．it | D．one |
My friend, Tom, left New Yo
rk in 1976 and
since then.
| A．hadn’t been heard of | B．hasn’t been heard of |
| C．hasn’t heard of | D．hadn’t heard of |