—You know. Bob is a little slow ____ understanding, so…
— So I have to be patient ______ him.
| A．in ; with | B．on; with | C．in; to | D．at; for |
Mother__ the baby gently on the bed and then bent down to pick up the toy___on the ground.
| A．laid; lying | B．laid; lie | C．lay; lying | D．had laid; lay |
Watch out ______ cars when you cross the road.
| A．at | B．to | C．of | D．for |
_______ all these people have in common is ______ they have succeeded.
| A．What; that | B．That; what | C．That; that | D．What; what |
A fire_____in the lower story during the midnight and soon the whole building was in flames.
| A．was breaking out | B．was broken out | C．broke out | D．break out |
Mary wanted to travel around the world all by herself, but her parents did not ___ her to do so.
| A．forbid | B．permit | C．follow | D．ask |