We must work hard to a good knowledge of English.

We must work hard to      a good knowledge of English.

#100972

acquire

catch

hold

take

推荐题目

The new play ______ next week.。

#101369

put on

was put on

will put on

will be put on

The climbers succeeded in climbing to the top of the mountains, and they owed their success to the preparations they ______.

#99263

make

had made

made

have made

I _____ to go to see my former class teacher, but it was raining cats and dogs that night.

#100490

have intended

had intended

will intend

was intended

 In this experiment, they are woken up several times during the night, and asked to report what they＿＿.

#104397

had just been dreaming

are just dreaming

have just been dreaming

had just dreamt

 I _____ Spanish quite fluently, but I haven’t got a chance to use it since I moved to Brazil.

#99776

spoke

will speak

have spoken

speak