Though having lived abroad for years, many Chinese still __________ the Chinese customs．

perform

possess

observe

support

Tom is greatly different from __________ he was when he was young．

what

how

that

which

Ten years ago the population of our village was __________ that of theirs．

as twice large as

twice as large as

twice as much as

as twice much as

Jack’s new house is big, __________ with his old one．

comparing

to compare

compared

compare

Please go __________ the ship quickly．There is only 10 minutes left．

abroad

aboard

board

broad

We have received the order that we __________ the lab for a couple of days．

mustn’t use

not use

can not use

may not use

__________ no bus, we had to go home by taxi．

There was

There being

It was

It being

Abundant natural resources are part of a country’s __________．

treasure

wealth

goods

property

There are so many heavy elephants in the forest, __________．

some of them weighs 2 tons

some of which weighing 2 tons

some of them weighing 2 tons

some of which weighs 2 tons

The president spoke at the business meeting for nearly an hour without __________ his notes

bringing up

referring to

looking for

trying on