1.The books on the table,.... are about child education,belong to my sister-in-law a. of which b. in which c. most of which d. which of most e. that of most 2.

1.The books on the table,.... are about child education,belong to my sister-in-law
a. of which
b. in which
c. most of which
d. which of most
e. that of most

2. ....has not been declared and proved
a. Is he involved in the crime
b. was he involved in the crime
c. why is he involved in the crime
d. when he is involved in the crime
e. whether he is involved in the crime

3.The banks ... will be liquidated soon by the government.
a. whose poor managemeny systems
b. which poor management systems
c. that management systems are poor
d. whose the management systems are poor
e. of which their management systems are poor

4.The teacher just asked the students ...
a. did they come yesterday
b. why did they come yesterday
c. what time they came yesterday
d. what time did they need to come
e. what time do they want to come