We ______ down when a waitress ______ plates of food for us. A) had hardly sat / had brought B)

A.break down

B.come down

C.settle down

D.slow down

A.fell apart

B.fell over

C.fell down

or who said it.()

A.until

B.when

C.then

D.than

A.were seated

B.seated

C.sat

D.were sit down

A.cut down

B.cut off

C.cut across

D.cut back

A．Our friends

B．Our classmates

C．Our parents

D．Our grandparents

When we are sad, we want another person to say（).

A、Don’t be slly,itcan' tbe. It's holidays.

B、know you' re unusually down and I understand the reasons why.

ef command to check if the E1 interface and the Ethernet interface are running normally. The up and down of the Admin state refer to()，The up and down of the Phy state refer to()，The up and down of the Prot state refer to()。