A. that B. them C. it D. this
A. that B. whether C. what D. which
A. that when B. where C. if or not D. when
A. that what B. what C. that D. which
A. For a star to become B. How a star becomes C. A star becomes D. That a star is becoming
A. It seems that B. There seems to be C. That seems D. It seems for
A. That is a well-known fact B. That is a well-known fact in which C. It is a well-known fact that D. It is a well-known that
A. all what B. all which C. that all D. all that
A. because B. due to C. because of D. that
A. what B. how C. whatever D. however
微信支付 
支付宝支付