Eric is wondering ________he could climb to the top of the mountain as he was too tired to do that.
A.if B.that C.which
We will have a picnic in the park________ it rains heavily.
A.unless B.until C.if
—What are you going to do tomorrow?
—I________ go to Disneyland. But I am not sure about that.
A.may B.must C.should
—Did you do ________ when you were in Beijing yesterday?
—Not really. We just stayed in the hotel and it was boring.
A.something boring B.anything interesting C.everything interesting
—________do you help your mom with housework?
—Twice a week.
A.How long B.How often C.How far
What happened ________you last night?
A.to B.with C.for
