The market for ______ used computers is getting larger and larger as______ years go on.
| A．不填, 不填 | B．the, 不填 |
| C．the, the | D．不填, the |
Thestudentsinourschooleach_________anEnglishdictionary.
| A．have | B．has | C．had | D．arehaving |
Thepairofshoes__________wornout.
| A．was | B．were | C．havebeen | D．hadbeen |
Aprofessorandawriter_________presentatthemeeting.
| A．was | B．is | C．were | D．hadbeen |
Hisfamily________musiclovers.
| A．allare | B．areall | C．is | D．arebeing |
Thosewho_________singingmayjoinus.
| A．areliking | B．likes | C．enjoy | D．isfondof |