—why, Jack, you look so tired!
—Well, I _____the house and I must finish the work tomor
row.
| A．was painting | B．will be painting | C．have painted | D．have been painting |
His letter was so confusing that I could hardly make any ______ of it.
| A．explanation | B．sense | C．meaning | D．guess |
As we all know, the functions of our skin are very .
| A．complex | B．simple | C．brief | D．tight |
--- Can I come and have a look at your new house? --- Yes, !
| A．with pleasure | B．I like it | C．by all means | D．I quite agree |
It is generally accepted thatboy must learn to stand up and fight likeman.
| A．a; the | B．a; a | C．the; the | D．a; / |
The islands developed on their own for 80 million years and ________ have many rare animals found nowhere else.
| A．soon | B．so | C．early | D．yet |