When my teacher explains sums in class, I ____________ practice at home.

A journalist who ___ ___ detained in a city for more than a year.

A. is be

B. can be

C. might been

D. has been

After him in my life, I _____ see things differently now.

A. be

B. been

C. can

D. being

Complete shutdown _____ _____ observed today against new law.

A. is being

B. can be

C. is been

D. was been

You _____ maintain a healthy weight, if you keep exercising.

A. can

B. was keep

C. is keep

D. keep

I would have bought a new car for her but it ____________ too expensive.

A. were

B. are

C. was

D. can