---- How long ____ at this job?
---- Since 1990.
A. were you employed B. have you been employed
C. had you been employed D. will you be employed
---- Do you know our hometown at all?
---- No, this is the first time I ____ here.
A. was B. have been C. came D. am coming
They won the game, _______ made their team leader proud of them.
A .that B. which C. it D. all this
His parents wouldn’t let him marry anyone ______ family was poor.
A. of whom B. whom C. of whose D. whose
The first thing ________ we should do is to master the basic grammar.
A. which B. that C. as D. of which
Diamond, _________, is the hardest of all materials.
A. like we know B. since we know C. we know D. as we know