In my opinion, she is too young to take care of the pet dog ______.
| A．correctly | B．properly | C．exactly | D．actively |
Three-fourths of the surface of the earth＿＿＿sea．
| A．is | B．are | C．were | D．has been |
If these trousers are too big, buy a smaller＿＿＿．
| A．set | B．one | C．copy | D．pair |
These tables and desks are all made of＿＿＿＿＿．
| A．a wood | B．some wood | C．the wood | D．wood |
His “Selected Stories”＿＿＿＿＿first published in 1990．
| A．were | B．was | C．has been | D．have been |
Tom’s and John’s＿＿＿＿＿came to London last week．
| A．father-in-law | B．fathers-in-law | C．fathers-in-laws | D．father-in-laws |