____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
| A．It | B．As | C．Although | D．Unless |
.
. ________each other for long , the two brothers decided to meet soon.
| A．Not having seen | B．Not seen | C．Have not seen | D．Not seeing |
.
Tell John not to leave the house unless he________that the lights ______ .
| A．will make sure, turn off | B．makes sure; are turned off |
| C．will make sure; will turn off | D．makes sure; will be turned off |
.
It was the training________he had at school________made him good jumper.
| A．what; what | B．what; that | C．that; that | D．that; which |
.
It is difficult for any of us to eat better, exercise more, and sleep enough,________ we know we should.
| A．because | B．even if | C．unless | D．before |
.
Only lately________about the dark secrets behind the seemingly-happy marriage of the
golf star Tiger Woods.
| A．the public have known | B．were the public known |
| C．have the public known | D．the public knew |