She didn’t ask Joe ______ it because she had made Jack ______ it.
| A．to do, to do | B．to do, do |
| C．do, to do | D．do, do |
Finally, people found computers ________.
| A．useful | B．are useful | C．don’t useful | D．doesn’t useful |
They still can’t decide ________ with our difficulties in learning math.
| A．what to deal | B．how to do | C．what to solve | D．how to deal |
Everybody tells us we can’t pass the exam ________ we study hard.
| A．because | B．or | C．unless | D．and |
– How do you learn English, Tony?
– I usually practice English ________ chatting with my American friends.
| A．in | B．with | C．on | D．by |
---------Would you mind _________me carry the heavy box?
---------____________.
| A．helping; It is my pleasure | B．helping; Yes, please |
| C．to help; With pleasure | D．helping; With pleasure |