The insect __________ a powerful drug which affects mosquitoes.
| A．contains | B．includes |
| C．contained | D．included |
European football is played in about 80 countries, _____ it the most popular sport in the world.
| A．making | B．made | C．to make | D．makes |
Obama didn’t explain ______ any larger principles have guided him through the historic convulsions of the 2011 Arab Spring.
| A．what | B．that | C．where | D．whether |
I feel it a great honor ______ to give a speech here.
| A．to be asked | B．to have asked | C．being asked | D．to ask |
This is the first time that your parents have been abroad, ______?
| A．haven’t they | B．hasn’t it | C．aren’t they | D．isn’t it |
. John hopes to become a friend of ______ shares his interests.
| A．whomever | B．anyone | C．no matter who | D．whoever |