Give them a hand this time and I am sure they will offer theirs ______ in the future.
| A．by turns | B．in turn |
| C．at turn | D．in return |
---Never give up and you'll succeed.
---Thank you. i won't ______ you.
| A．hurt |
| B．fail |
| C．depend |
| D．harm |
All of the flowers now raised here have developed from those _______ in the forest.
| A．once they grew |
| B．they grew once |
| C．they once grew |
| D．once grew |
The famous basketballer, _______ tried to make a comeback, attracted a lot of attention.
| A．where |
| B．when |
| C．which |
| D．who |
I saw some trees the leaves of _____ were black with disease.
| A．that |
| B．which |
| C．it |
| D．what |
We wanted to get home before dark, but it didn't quite as planned.
| A．make out | B．turn out | C．go on | D．come up |