_______I had time, I would have visited the beautiful lake again.
| A．If | B．Unless | C．Had | D．When |
I don’t doubt ______ for the journey by doing jobs on the ship.
| A．that he can pay | B．whether he can pay |
| C．that can he pay | D．whether can he pay |
Seeing the happy ______ of the mother and her baby playing on the grassland, I immediately took a picture of them.
| A．view | B．scene | C．look | D．sight |
The final decision is ____ Bob will carry out this difficult task.
| A．that | B．which | C．who | D．whether |
The teacher said ____ Tom was an honest boy and ____ he will be our monitor.
| A．that; / | B．whether; / |
| C．/; that | D．/; whether |
It was thought to be ______ adventure for him to walk across ______ Sahara Desert alone.
| A．an; the | B．the, / |
| C．/; the | D．an; a |