School children must be taught how to deal with dangerous .
A. states B. conditions C. situations D. positions
It is said that the early European playing-cards for entertainment and education.
A. were being designed B. have designed
C. have been designed D. were designed
makes this shop different is that it offers more personal services.
A. What B. Who C. Whatever D. Whoever
I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he home for dinner.
A. come B. comes C. has come D. will come
People have always been curious how living things on the earth exactly began.
A. in B. at C. of D. about
The father as well as his three children________ skating on the frozen river every Sunday afternoon in winter.
A. is going B. go C. goes D. are going
