He can __________ his breath under the water for five minutes.
| A．keep |
| B．hold |
| C．take |
| D．make |
We give dogs time，space and love we can spare，and ________ dogs give us their all.
| A．in all | B．in fact | C．in short | D．in return |
Children need friends ________ their own age to play with.
| A．of | B．for | C．in | D．at |
He invited me to a dance after the show ________ Christmas Eve.
| A．at | B．on | C．in | D．by |
Would you mind not picking the flowers in the garden？They are ________ everyone's enjoyment.
| A．in | B．at | C．for | D．to |
My father warned me ________ going to the West Coast because it was crowded with tourists.
| A．by | B．on | C．for | D．against |