Some experts are warning that the step the US government has taken to deal with the current crisis is ______ of much risk.
| A．ones | B．one | C．that | D．Those |
The island, _____ to the mainland by a bridge, is easy to go to.
| A．joining | B．to join | C．joined | D．having joined |
Find ways to praise your children often , _____ you’ll find they will open their hearts to you.
| A．till | B．or | C．and | D．but |
It was April 29, 2011 _____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that | B．when | C．since | D．before |
The days are gone _____ physical strength was all you needed to make a living.
| A．when | B．that | C．where | D．which |
______ volleyball is her main focus, she’s also great at basketball.
A Since B. Once C. Unless D. While