So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.
| A．did he | B．he did | C．was he | D．he was |
His words reminded me a woman had told me before.
| A．that | B．of which | C．what | D．of what |
He _______ his gun under the tree where he was __________.
| A．lay; laying | B．laid; lying | C．lied; laying | D．lay; lying |
_______he has got a chance, he might as well make full use of it.
| A．Now that | B．Although | C．As soon as | D．After |
That art center is _______ used to be a factory, ______ millions of tractors were produced.
| A．what; where | B．where; where | C．what; which | D．where; which |
It is ________ Beth to drink so much; I wonder if she is all right.
| A．dislike | B．likely | C．unlikely | D．unlike |