It is ______ that two and two make four.
| A．certain | B．sure | C．suitable | D．necessary |
These apples taste ＿＿＿＿＿.
| A．to be good | B．good | C．to be well | D．well |
When her mother came home yesterday, it was＿＿＿dark.
| A．running | B．coming | C．getting | D．going |
His wish to become a driver has ＿＿＿＿＿ true.
| A．realized | B．come | C．grown | D．turned |
Her temperature ＿＿＿＿＿＿ to be all right.
| A．seems | B．sounds | C．appears | D．looks |
It sounds ＿＿＿＿＿ the singing of rails.
| A．as | B．in | C．like | D．as if |