In summer, the temperature sometimes __ as high as 39℃
| A．rises | B．rising | C．raising | D．raises |
---Are you content with her lecture? ----Far from that. It _______.
| A．may have been good | B．couldn’t have been worse | C．can’t be better | D．must be better |
In _____world, where computers rule our work and life, online searches have become _____necessity.
| A．a, a | B．a, the | C．the, a | D．the, / |
My boss hates interruptions,when he is trying to work.
| A．occasionally | B．generally | C．specially | D．especially |
Mother always tells me to believe in myself, ____ that nothing is too difficult to a willing heart.
| A．to say | B．saying | C．said | D．having said |
In order to understand the____ of the animal, she spent many years recording its daily activities.
| A．performance | B．deed | C．behavior | D．personality |