Do you have to ____ your little sister this Sunday?
| A．take care of | B．look for | C．care for | D．hold on |
What method can you think of _________ with these broken computers?
| A．dealing | B．deal | C．deals | D．to deal |
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉）．
| A．come up with | B．look forward to |
| C．talk about | D．give up |
—What shall we do this Saturday?
—it rains, we’ll have a picnic in Century Park.
| A．if | B．Unless | C．Because | D．When |
It's a pity that I didn't think of ringing you.
| A．earlier | B．earliest | C．early | D．the earliest |
To remember things accurately, we don't allow other thoughtsour mind.
| A．enter | B．to enter | C．entering | D．entered |