A.were killing
B.were killed
C.killed
D.kill

A.until I received it
B.after I had received it
C.the moment I receive it
D.when I received it

A.getting
B.doing
C.making
D.taking

A.for
B.about
C.with
D.of

A.although
B.because of
C.in spite of
D.because

A.We needn't prepare a present for him.
B.We can't prepare a present for him.
C.We shouldn't prepare a present for him.
D.We may not prepare a present for him.

A.message
B.love
C.feelings
D.movement

A.khó khăn về tài chính.
B.nạn đói.
C.nạn dốt.
D.nguy cơ mất độc lập.

A.Advantages of home working
B.Home working: happier and more efficient
C.Post-pandemic working pattern
D.While-pandemic working pattern

A.Advantages of home working
B.Home working: happier and more efficient
C.Post-pandemic working pattern
D.While-pandemic working pattern