---We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
---I really should have gone with you, but I ________ on some remaining problems.
| A．was working | B．would work | C．worked | D．had worked |
——Mum, can you drive faster to the airport?
——Honey, ______, for we still have one and a half hour.
| A．take it easy | B．take your time | C．forget it | D．with pleasure |
Diligence is ______ it takes for the post-90's generation to win competitions.
| A．what | B．where | C．which | D．when |
With a lot of work ______, she weren't allowed to leave her office.
| A．do | B．done . | C．to be done | D．to do |
----Why didn’t you see me wave to you then?
----Oh, If so. I must say sorry. I think I____ in the other direction.
| A．looked | B．was looking | C．have looked | D．am looking |
---Which one will I choose?
---Well, you can take _______ of them; I’ll keep none.
| A．both | B．all | C．any | D．either |