I have lost one of my gloves. I _____ it somewhere.
| A．must drop | B．must have dropped |
C．must be dropping | D．must have been dropped |
. Kate's ambition to become a nurse _____ from a desire to help others.
| A．prompted | B．promoted | C．programmed | D．proceeded |
The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
| A．rarity | B．scarcity | C．invalidity | D．variety |
Dress warmly, _____ you'll catch cold.
| A．on the contrary | B．or rather | C．or else | D．in no way |
. Don’t _____ the news to the public until we give you the go-ahead (许可，准许).
| A．release | B．discard | C．relieve | D．retain |
This book gives a brief _____ of the history of the castle and details of the art collection in the main hall.
| A．outline | B．reference | C．article | D．outlook |