It’s hard to ________ this kind of plant. You have to water it every day.
| A．look for | B．look at | C．look after | D．look like |
They were walking ________ a forest after they swam _______ the river .
| A．through, cross | B．across ,through |
| C．through, across | D．across, across |
_______should not be allowed to get ears pierced.
| A．Twelve-year-old | B．Twelve-year-olds |
| C．Twelve years old | D．Twelve years olds |
What would you do if you had _________ dollars ?
| A．two millions | B．two millions of |
| C．two million of | D．millions of |
Jimmy is _________one-year-old boy and he has_________8-year-old sister.
| A．an, an | B．an, a | C．a, an | D．a, a |
—Your watch is very nice.
—____________
A. Thank you. B. Just so-so. C. That’s right.