Ladies and gentlemen, please fasten your seat belts．The plane ________．

takes off

has taken off

took off

is taking off．

The singer sang one more song at the ________ of enthusiastic fans．

command

recognition

request

service

When a pencil is partly in a glass of water, it looks as if it ________．

breaks

has broken

were broken

had been broken

The Irish writer George Bernard Shaw made the famous remark ________ the British and the Americans are two nations divided by a ________ language．

that; ordinary

what; average

which; broken

that; common

When I got back home I saw a message pinned to the door ________ “Sorry to miss you; will call later．”

read

which reads

to read

reading

________ both sides accept these terms will everlasting peace be established in this region．

Only if

Unless

As long as

If only

She bought some fish to cook because she felt ________ it．

in mood for

in a mood for

in the mood for

the mood for

My grandpa ________ a lot of hardship when he was young．

calmed down

set down

added up

went through

Those two countries are similar ________ they both have heavy rainfalls during the summer．

to which

in that

so that

except that

Mike ________ have stolen the money from the bank, ________ he appeared to be rich overnight．

can't; for

might; for

can't; since

might ;since