anh 11-ôn ki 2-chia động từ

Front

I ………………..(look ) for my math textbook all day, but I haven't found it yet.

Back

have been looking

Front

Kevin ………………..(do ) his homework, but he hasn't finished it yet.

Back

has been doing

Front

So far I ……………….. any exams at school.

Back

has failed

Front

The best way ………………..(see) London is by taking a guided tour.

Back

to see

Front

The archaeological excavation ………………..(lead) to the discovery of the ancient city lasted several years.

Back

leading

Front

The most magnificent feature of Taj Mahal is the central dome ………………..

Back

to notice

Front

Henry VIII of England was the only king ………………..(marry) six times.

Back

to marry

Front

Tourists from London to Stratford must change at Coventry.

Back

taking

Front

Sarah will be annoyed if Dave ……………….. her this evening.

Back

does not call

Front

Hoa reminded Lan ……………….. some groceries on the way home.

Back

to buy