— Have you known each other for long
— Not very long, ____ we started to work in the company
after B
before C
when D
since2
— Did you enjoy yourself at the party
— Sorry to say I didn’t
It was ____ a meeting than a party
much of B
more like C
less of D
more or less3
He is rather difficult to make friends with, but his friendship, ____, is more true than any other
once gained B
when to gain C
after is gained D
while gaining4
The river, ____ are covered with trees, is very long
which banks B
of which banks C
whose the banks D
the banks of which5
____ it will do us harm or good remains to be seen
Whether C
That D
Where6
We should do more such exercises in the future, I think, ____ we did yesterday
which C
that D
I am so glad tha