—Have you solved your problem ?
—No, I really don’t know______
A. how to do with B. what to do C. what can I do
Why not _______your best _______ people in need?
| A．to try; to help | B．try; help | C．try; helping | D．try; to help |
—Jean, I didn’t do very well in this test.
—____. I’m sure you will make great progress if you improve the way you study.
| A．Not at all | B．Don’t lose heart | C．I hope so | D．Never mind |
—You never stay up till midnight, do you?
—___________. But I think it’s bad for our health.
| A．No, never | B．No, sometimes | C．Yes, never | D．Yes, sometimes |
—Did you return from Shanghai on time?
—No. The train________ I took was late because of the bad weather.
| A．what | B．who | C．which | D．where |
—Linda, together with her parents, ______up the mess in the park at the moment.
—It’s meaningful to be a volunteer. Let’s join them.
| A．is cleaning | B．are cleaning | C．has cleaned | D．have cleaned |