______, ice will be changed into water.
| A．Heating | B．Heated | C．If heating | D．To be heated |
33.I don't think_____________difficult for a Chinese student to master a foreign language within five years
34.
| A．that | B．it | C．too | D．very |
35..It's the second time you_________late this week.
36.
| A．arrive | B．arrived | C．have arrived | D．had arrived |
37.It will not be__________we meet again.
38.
| A．long before | B．before long | C．soon after | D．shortly after |
39.It's demanded that we____________there on foot.
40.
| A．not to go | B．don't go | C．not go | D．won't go |
41.“It” is often used to________a baby.
42.
| A．mean to | B．stick to | C．point to | D．refer to |