How can I ever concentrate if you ___ continually ___ me with silly questions
have interrupted B
had interrupted C
are ⋯ Interrupting D
were interrupting 42
When you have finished with that video tape, don’t forget to put it in my drawer, ___
do you B
will you C
don’ t you D
won’ t you43
He left orders that nothing ___ touched until the police arrived here
should be B
ought to be C
must be D
would be 44
White works with a chemicals import & export company, but he ___ for this industrial fair, since he is on leave
has worked B
works C
has been working D
is working 45
The physicist has made a discovery, ___ of great importance to the progress of science and technology
I think which is B
that I think is C
which I think is D
which I think it is 46