A:Are you a nurse? B:______ A.Yes,I am. B.Yes,it is. C.No,it is not.
Helen does not __________well in Chinese.A.do B. does C. doing
Do you have ___________ brothers __________ sisters?A. any; andB. any; orC. some; and
What _________ you _________ next Sunday?A. are; going to doB. are; doingC. did; do
There __________ an earthquake (地震)in Lushan on the 20th of April.A. is B. was C. is going to be
—Where is Mark?—Look, he ___________ in the garden.A. ran B. is running C. runs