Her family _____ much larger than mine four years ago. Her family _____ dancing and singing when I came in last night.
| A．were; was | B．was; were | C．was; was | D．were; were |
According to scientists, our mental abilities begin to ___ from the age of 27 after reaching the highest level at 22.
| A．differ | B．shrink | C．fail | D．decline |
"It's such a nice place," Mother said as she sat at the table______ for customers.
| A．to be reserved | B．having reserved |
| C．reserving | D．reserved |
His writing is so confusing that it’s difficult to make out _______ it is that he is trying to express.
| A．that | B．how | C．what | D．who |
Whatever is left over may be put into the refrigerator, _____ it will keep for two or three weeks.
| A．when | B．which | C．where | D．while |
If parents have children help with housework, the children will feel needed. , they will learn to take care of themselves.
| A．On the contrary | B．What’s more |
| C．That is to say | D．In a word |