Despite the great difficulty we had _____ out the plan, it paid off in the end.
| A．carrying | B．carried | C．to carry | D．carry |
Whatever you do, we are always ________ your side.
| A．on | B．at | C．for | D．with |
On the wall of his office _________the paintings of early French artists.
| A．hanged | B．hanging | C．hang | D．are hanged |
It was several years later________ an American ship paid the first official visit to the island.
| A．since | B．when | C．that | D．as |
There are many fine buildings on _______sides of the streets.
| A．every | B．both | C．all | D．either |
At no time does the salesgirl get up late in the morning, for she is always too busy_______ a good rest.
| A．to take | B．taking | C．took | D．taken |