The telephone rang but I didn’t hear it. I _______ asleep.
| A． must be | B．should be | C．ought to have been | D．must have been |
The boy _________in bed, _________ that he was very ill.
| A．lay, lied | B．lied, lying | C．lay, lying | D．lied, lay |
Parents ____ bring up their children under 16 and educate them properly.
| A．could | B．may | C．might | D．ought to |
This is the man ____ gave me a book.（
| A．which | B．what | C．this | D．who |
He is wearing sunglasses to protect his eyes ___ the strong sunlight.
| A．by | B．from | C．to | D．in |
____ you first met Tom.
| A． where was it that | B．that was it where |
| C．where it was that | D．that was it where |