. ---- How long ____ at this job? ---- Since 1990.
#102924
A
were you employed
B
have you been employed
C
had you been employed
D
will you be employed
推荐题目
--- Are we about to have dinner?  --- Yes, it _______ in the dining room. 
#102786
A
is serving
B
serves
C
is being served
D
served
— Flight MU257 ______, I must be off now.— Have a nice trip.
#102791
A
is being announced
B
has announced
C
was announcing
D
had been announced.
More than 100 students in that school_________ abroad for further study so far.
#99900
A
are sent
B
were sent
C
had been sent
D
have been sent
Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
#102843
A
has delivered
B
has been delivering
C
will be delivering
D
delivers