_______you want to remember its usage, you’d better make a sentence with the new word.
| A．Unless | B．While | C．Now that | D．Even if |
In my opinion, ______.
| A．Shanghai is one of the biggest cities in the world |
| B．he has neither brothers nor sisters |
| C．he is the cleverest boy in our class |
| D．there are 50 students in our class |
—Who is making so much noise in the garden?
—______ the children.
| A．It is | B．They are | C．That is | D．There are |
I want to buy a computer, but there is only one left in that shop, so I'll have to buy ______.
| A．one | B．it | C．that | D．them |
Mother insisted that the child's hands ______ before dinner.
| A．should wash | B．be washed |
| C．had been washed | D．would be washed |
Plants grow well ______ there is plenty of water and sunshine.
| A．which | B．in which | C．that | D．where |