While he the bus, he a book.

While he            the bus, he             a book.

#44868

was waiting for, read

waited for, was reading

was waiting for, was reading

waited for, read

推荐题目

—You see, China is becoming stronger and stronger now.—Yes. That’s why Chinese _____ in more and more schools out of our country.

#44402

are taught

has taught

is taught

have taught

—____ the sports meeting is likely to be put off．—Yes，it all depends on the weather．

#44998

I’ve been told

I’ve told

I was telling

I told

Nobody ______ to go into the laboratory without permission (允许).

#44894

allows

is allowed

promises

is promised

－Oh, my God! I can't find my key to the office.－Don't worry. Perhaps it _________ at your home.

#44778

left

has left

was left

had left

Paul doesn’t have to be made  _______ . He always works hard.

#44866

to learn

learn

learning

learns