_______ he exercises every day, _______ he is very healthy.
| A．Though; / | B．Because; through | C．Because; / | D．Because; so |
America is a ________ country.
A.develop B.development C.developing D,developed
We should keep our classroom _______.
| A．clean | B．cleaning | C．to clean | D．cleans |
Would you please ________ my dog when I go out for travelling?
| A．take out | B．take care of | C．take part in | D．take away from |
—This evening your uncles are coming to our party.—So, we need _______ food.
| A．little | B．more | C．few | D．a lot |
Lily nearly missed the train_________ too much traffic.
| A．as a result of | B．on top of | C．in front of | D．in need of |