Later in this chapter cases will be introduced to readers __ consumer complaints have resulted in changes in the law.
| A．where | B．when |
| C．who | D．which |
Hisfamily____alargeone.Thewholefamily____watchingTV.
| A．is…is | B．are…are | C．are…is | D．is…are |
Neither Tom nor his parents ______ at home.
| A．is | B．are | C．has | D．was |
The only means to achieve success ___ to appeal to arms.
| A．is | B．are | C．were | D．have |
One or perhaps more pages _______.
| A．is missing | B．has been missed | C．are missing | D．was missing |
The Smiths ______ their breakfast when the doorbell rang.
| A．had | B．has been having | C．are having | D．were having |