Parents often ______ their children______ some good living conditions.
A. offer; to B. provide; for C. provide; with
_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.
| A．In 1870s, in his fifties | B．In 1870s, in fifties |
| C．In the 1870s, in fifties | D．In the 1870s, in his fifties |
It is well known _____ all people that Beijing is known _______ the capital of China.
| A．to; as | B．to; for | C．for; as | D．for; for |
His aunt wants to get him _______ the radio, but he has had it _______ already.
| A．repair, repair | B．to repair, repair |
| C．repaired, to repair | D．to repair, repaired |
There is still some cake _______ in the fridge. You don’t need to buy any.
| A．leaving | B．is left | C．left | D．being left |
I don’t doubt _______ he can finish the task, but I doubt _______ he is willing to do it.
| A．that; that | B．if; if | C．that; if | D．if; that |