The users of this new mobile phone can check e-mails _____ they happen to be.
| A．whatever | B．wherever | C．what | D．where |
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 |
Large quantities of time ______ for practising guided writings.
| A．was needed | B．are needed | C．needs | D．is needed |