— The weather has been very hot and dry.
—Yes. If it had rained even a drop, things would be much better now! And my vegetables .
| A．wouldn’t die | B．didn’t die | C．hadn’t died | D．wouldn’t have died |
It isn’tthat I should accept such an offer as that．
| A．seem | B．appear | C．likely | D．possibly |
Over the past l00 years，sea levelsteadily as a result of global warming．
| A．had increased | B．has been increasing | C．increased | D．is increasing |
It is difficult to between Mary and her younger sister
| A．decide | B．distinguish | C．explore | D．express |
You have done so much that you are pass the exam．
| A．bound to | B．turn to | C．adjust to | D．object to |
The fact has worried many scientiststhe earth is becoming warmer and wormer．
| A．what | B．that | C．though | D．which |