______ of the students who took part in the military training is 450.
| A．A number | B．A great deal of |
| C．Lots of | D．The number |
He stayed up late last night,_______for the exam that would take place next week.
A．prep ared |
B．preparing | C．to prepare | D．and preparing |
Mount Wutai,_____we visited last month,attracts hundreds of thsousands of vistors every year.
| A．where | B．which | C．what | D．as |
Not able to______city life, Granny decided to go back to the village and live in peace there.
| A．lead to | B．devote to | C．agree to | D．adapt to |
---Many species are now in danger of dying out.
----True.Measures should be______to protect them right now.
| A．taken | B．made | C．acted | D．carried |
.It is reported that two schools,_______fell into ruins in the earthquake, are being rebuilt and will be open next term.
| A．they both | B．both of which | C．which both | D．both of them |