We will have to overcome difficulties we might meet and finish the work ahead of time .
A . no matter how B . no matter what C . however D . whatever
Mr .Smith is from Australia , which is to many unique animal species ,like kangaroos and koala bears .
A .family B .nation C . home D . area
. It is reported that a bus rolled into a
deep valley , 10
deaths and even more injuries . 
A . to cause B . having caused C . caused D . causing
--what effect does the medicine have the blood pressure ?
--- well ,it depends how much you take .
A. with ;on B . with ; to C . on ; on D . on ; to
It is years I last visited the mine . I wonder how things are getting on there .
A . before B . when C . until D . since
nice and delicious ,the fried chichen in this shop always sells well .
A . Tasted B .Being tasted C . Tasting D . To taste
