Joan has been missing for a couple of days and there is growing _____for her safety.
| A．attention | B．danger | C．concern | D．hope |
—How many lessons do you usually have a day?
—Six lessons a day. And each of them _____45 minutes.
| A．last | B．lasts | C．have | D．are |
Two days _______enough for me to finish the work, I need a third day.
| A．isn’t | B．is | C．aren’t | D．are |
Either Jane or Steven _____ watching TV now.
| A．were | B．is | C．was | D．are |
_________ time and labor, cartoonists generally draw the hands of their characters with only 3 fingers and a thumb．
| A．To save | B．Saved | C．Saving | D．Having saved |
—Come in, please．Make yourself at home．
—I'm glad you like it．
| A．Thanks．You have a nice place here． |
| B．Oh, this picture is so beautiful! |
| C．Thanks．What nice food you've prepared! |
| D．OK．Let me look around your new house． |