I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
| A．不填；the | B．a; the | C．a ; 不填 | D．不填; 不填 |
Learning English means _________ memorizing a huge lot of words．It involves a large amount of reading as well．
| A．other than | B．more than | C．rather than | D．less than |
Tom as well as two of his classmates _____ invited to the party.
| A．was | B．were | C．have been | D．had been |
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．though |
My grandfather is always thinking for others. In another word, he is always ________.
| A．modest | B．cautious | C．considerate | D．considerable |
Driving on the road, drivers do ______ the traffic rules, which is responsible for themselves
as well as others.
| A．see | B．watch | C．observe | D．notice |