He made a mistake, but then he took action to change the situation ________ it got worse.
| A．until | B．when | C．before | D．because |
— Shall we go out for a walk?
— Sorry. This is not the right _______ to invite me. I am too tired to walk.
| A．moment | B．plan | C．place | D．way |
There was a loud cry from the backstage immediately after the concert ended, _______?
| A．wasn’t there | B．was there | C．didn’t it | D．did it |
— Someone wants you on the phone.
— _______ nobody knows I am here.
| A．Besides | B．And | C．But | D．So |
My grandparents never remember my telephone number, and they always _______ look it up.
| A．must | B．can | C．should | D．have to |
— Four dollars a pair? I think it’s a bit too much.
— If you buy three pairs, the price for each will _______ to three fifty.
| A．come down | B．take down | C．turn down | D．break down |