New research has begun to address this _______.
A: enigma
B: encounte
C: pottery
D: encouragement
A: enigma
B: encounte
C: pottery
D: encouragement
A
举一反三
- Work has been begun on the (construct) _____ of the new airport.
- Online learning, a fresh new idea, has begun to be accepted by the public in UK.
- The film _______ for half an hour. A: has begun B: has been begun C: has been on D: began
- By the early 1980s, however, nearly two decades ________ since the changes in family life ________. A: . had passed … had begun B: . has passed … had begun C: . had passed … has begun D: . has passed … has begun
- The by the time I got there meeting ___ yesterday. A: was on B: has been on C: had begun D: has begun
内容
- 0
Our office address has ______ changed, so please contact us at our new mailing address as printed on the envelope. A: usually B: recently C: promptly D: instantly
- 1
The ____ of previous research has focused on how we learn and remember new information.
- 2
When I got to the company, the meeting ______ for five minutes. A: had begun B: B. has been on C: has begun D: had been on
- 3
Research has produced many new _______ that will be used in the manufacture of a variety of goods. A: hypotheses B: summaries C: synthetics D: emphases
- 4
The meeting _____when Mr. Wang _____to school. A: has begun;get B: has been on;get C: had begun;got D: had been on;got