________ you have bought the little dog, you should take good care of it instead of taking no notice of it, Nina.
A. For B. Now that C. After C. As soon as
_____was known to them all is that Bob had broken his promise____he would give them a rise.
| A．As; which | B．What; that | C．It; that | D．It; which |
Please tell me how the accident _________ . I am still in the dark.
| A．come to | B．come by | C．come across | D．come about |
Jack always sleeps late on Sundays. I am sure he _______ when we get home.
| A．is still sleeping | B．is to be sleeping |
| C．will still be sleeping | D．will have been sleeping |
The box ____ two meters by two meters and ____ a ton.
| A．measures; is weighed | B．is measured; is weighed |
| C．is measured; weighs | D．measures; weighs |
It never occurred to humans until the mid-1990s ______ some animals can be cloned.
| A．where | B．that | C．when | D．what |