—Why is Maria so nervous? Because she doesn't know ________at the big party．
| A．to wear what | B．to wear how | C．what to wear | D．how to wear |
My sister is____English teacher in a middle school in Chengdu.
| A．a | B．an | C．the | D．/ |
--- Excuse me ,could I take the seat here?
--- _______.The child sitting here will come soon.
| A．You’d better not | B．No, thanks |
| C．Yes, please. | D．I’m afraid so. |
The guide said that much attention must ______ these details.
| A．pay | B．be paid |
| C．pay to | D．be paid to |
It’s cruel ____him to kill _____many children with a knife.
| A．of ; such | B．for ;such |
| C．of ;so | D．for ;so |
Half of the class ______ done most of the work. The left ______ rather difficult.
| A．has, is | B．have, is |
| C．have, are | D．has, are |