—Don't you know that a proper amount of exercise a day will ________ to a person's health?
—No wonder so many senior citizens do exercise in the square.
| A．construct | B．conclude |
| C．distribute | D．contribute |
I’m hoping that John will let us have the car tonight; __________, I’m afraid we won’t be able to go out.
| A．even if | B．if so |
| C．what if | D．if not |
The famous actor keeps fit and athletic by __________ at the gym for an hour every morning.
| A．making out | B．figuring out |
| C．working out | D．turning out |
All the travelling fare, unless specifically stated _________, includes admission charges to the attractions, shows and exhibitions we visit.
| A．otherwise | B．likewise |
| C．therefore | D．still |
A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked（劫持）?
| A．attacked | B．struck |
| C．beat | D．occurred |
The information confirms me in the belief __________ he, as well as his coach, is to blame.
| A．whether | B．why | C．which | D．that |