Though the medicine for my disease______, I should often______ at home or in the open air.
A．works out; work out B．is working; work out
C．is working out; work D．works; work
We’ve booked a room in the center of town for the guests ______they can stay for three days.
A．when B．which C．where D．whom
Just in front of our house ______ with a history of 1000 years.
A．does a tall tree stand B．stands a tall tree
C．a tall tree is standing D．a tall tree stands
The children were left _____ of a neighbor when they went on holiday.
A．in the charge B．in charge C．under charge D．at charge
----How beautiful the university is, Professor Wu.
----So it is. I ______ here for four years and my daughter is studying here too.
A. studied B. have studied C. was studied D. had studied
Welcome to our online mall! If you buy ______iphone4 here, you can get a watch for _____free.
A．a; / B．an; the C．an; / D．the; the
