Dr. Smith, together with his wife and daughters, ________ visit Beijing this summer.
| A．is going to |
| B．are going to |
| C． was going to |
| D．were going to |
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 |
I’ll prepare more dishes_________ your guests decide to stay for dinner．
| A．in case | B．in order that | C．even if | D．as if |
Large quantities of information, as well as some timely help _____ since the organization was built .
| A．has offered | B．had been offered | C．have been offered | D．is offered |
I am junior________my elder brother________four years.
| A．to, by | B．than, for | C．to, for | D．with, by |