The manager was worried about the press conference his assistant ______ in his place but luckily, everything was going on smoothly. 
#100739
A
gave
B
gives
C
was giving
D
had given
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---You look very tired. ---Well, __________my lessons all the afternoon.
#100167
A
I have reviewed my lessons
B
I have been reviewing
C
I reviewed
D
I had reviewed
They   each other for 5 years.
#103960
A
have been in love with
B
have fallen in love with
C
are in love with
D
fell in love with
— Lucy is not coming tonight. — But she _____!
#100029
A
promised
B
will promise
C
had promised
D
promises