He ______ be sitting at the gate, waiting for his lost son.
| A．used to | B．was used to | C．could | D．was accustomed |
In some countries, _____ are called “public schools” are not owned by the public.
| A．which | B．that | C．as | D．what |
Determination is a kind of basic quality and is it takes to do jobs well.
| A．what | B．that | C．which | D．why |
Is the hotel offered you a job _____ you stayed the first time you arrived here?
| A．which ;where | B．the one ;in which | C．where ;that | D．the one that ;which |
—Can we get everything ready by the weekend?
—It all depends on ______ we can get Mr. Green’s co-operation.
| A．that | B．what | C．whether | D．if |
He seems too tired today, and I wonder he got a good sleep last night.
| A．when | B．that | C．if | D．where |