Before a problem can be solved, it must be obvious ________the problem itself is.(2011·湖南)
| A．what | B．that | C．which | D．why |
He didn’t care, ________ he could have something to fill his stomach.
| A．in case | B．so long as | C．as if | D．even though |
--- Jenny, do you remember the first time we met?
--- Sure. You ______ the suitcase at the airport.
| A．were carrying | B．carried | C．have carried | D．had carried |
I have learned that clothes ______ online are of poor quality.
| A．bought | B．buying | C．to buy | D．having bought |
On Christmas Eve, children are eager to know _______Father Christmas comes and puts presents into their stockings．
| A．that | B．what | C．where | D．how |
There is no need to leave a tip in Canada. Service ________ in the bill.
| A．included | B．is included | C．includes | D．was included |