19．Vitamin D helps our bodies make a special chemical, and this special chemical,________,affects our brains, making us feel happy.
| A．in turn | B．in particular | C．in advance | D．in short |
The salesman scolded the little boy caught ___ and let him off.
| A．to have stolen | B．to be stealing | C．to steal | D．stealing |
The work is well done ____.
| A．in a way | B．on the way | C．by the way | D．in the way |
The little boy ___ his hiding place when coughed.
| A．gave off | B．gave away | C．gave up | D．gave in |
My little daughter’s hair ___ in a very funny way today.
| A．does up | B．is to do up | C．was done up | D．has been done up |
The stone ___ must be moved away.
| A．in the way | B．on the way | C．at the way | D．by the way |