The manager is always very _______ for appointments, which earns him a good reputation.
The experts are trying to find ways of ____ the animals in danger.
Tom, as well as the other children who ____ no parents, ____ good care of in our country.
Go on ______ the other exercise after you have finished this one.
We grow all our own fruit and vegetables, ____ saves money, of course. A as B. which C. that D. what
If you have some difficulties ____ your grammar, you had better ask your teacher ____.