She looks sad. Could you please tell me ____ that prevents her from being as happy as before?
| A．what it is | B．it is what | C．how it is | D．it is how |
Thinking of the days, when he was looked down upon as a poor peasant, _______.
| A．his heart was filled with sorrow | B．tears came down his face |
| C．he was in great sorrow | D．we found him wiping his eyes |
Laws have been passed in parts of South Africa, _____ governments either tax shoppers who use plastic bags or fine companies that hand them out.
| A．which | B．where | C．as | D．what |
A new study has found no evidence that the sunscreen, commonly used to reduce the risk of skin cancer, actually____ the risk.
| A．increase | B．increasing | C．increases | D．having increased |
Thank you so much! But for your text message, I ____ home without my ID card this morning.
| A．would have left | B．would leave | C．had left | D．left |
---What do you think we should do after dinner?
---Why don't we get ____ beer at the Karaoke bar down the street? It is kind of ____ fun to drink with old friends．
| A．a; 不填 | B．a; a | C．the; a | D．a; the |