After long a nd hard work, the police at last discovered the ________ of the baby found by the side of a road.
| A．attitude | B．identity |
| C．situation | D．concern |
The organizers promise ________wins the first prize a chance to go abroad。
| A． who | B．whom | C．whoever | D．whomever |
______ in London, the penniless American wandered on the pavement, ______ to find a job to make a living.
| A．Lost; hoped | B．Losing; hoped |
| C．Lost; hoping | D．Losing; hoping |
Once ____________ , a plan should be carried out.
| A．make | B．making | C．made | D．to make |
Being a parent is not always easy, and being a parent of a child with special needs often carries with _______ extra stress.
| A． it | B． them | C．one | D． him |
Between the two periods of classes is a break, _______ we can have a short rest.
| A．then | B．where | C．when | D．which |