There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
推荐题目
We are looking forward ________ a film next week.
#49498
A
to see
B
to seeing
C
for seeing
D
seeing
Can I stop ______ a rest, Sir?– Keep _______! The terminal (终点) is around the corner.
#50437
A
to have, running
B
having, running 
C
to have, to run
D
having, to run
—Don’t forget      your homework here tomorrow. —I     .
#48525
A
to bring ; won’t
B
to take; won’t
C
bringing; don’t
D
taking; don’t