It’s their duty for the soldiers our country our enemies.
| A．to prevent; from | B．to keep; from |
| C．to protect; from | D．to defend; with |
I'm told that languagepractising.com is a free website ________ learners can not just learn various languages but also chat online.
| A．where | B．which |
| C．that | D．what |
As a single mother of three children, she has very little time ________she can spare to develop her own interest.
| A．when | B．that |
| C．which | D．what |
The band was very successful in the seventies, most of ________ members were in their twenties.
| A．its | B．whose |
| C．whom | D．which |
—Where did you come across our Chinese teacher?
—It was in the supermarket ________ I purchased mooncakes.
| A．that | B．which |
| C．where | D．when |
The course about Chinese food attracts over 100 students per year, ________ up to half are from overseas.
| A．in which | B．for whom |
| C．with which | D．of whom |