I have lost one of my gloves. I ______ it somewhere.
A.must drop | B.must have dropped |
C.must be dropping | D.must have been dropped |
__ is known to everybody, the moon travels round the earth every month.
A.It | B.As | C.That | D.Which |
---I drove to Zhuhai for the air show last week.---Is that ___ you had a few days off?
A.why | B.when | C.what | D.where |
What the doctor really doubts is ___ my mother will recover from the serious disease soon.
A.when | B.how | C.whether | D.why |
The number of the employees has grown from 1000 to 1200.This means it has increased ___20 percent.
A.by | B.at | C.to | D.with |
She was wandering what to do __ a policeman came and asked if he could help.
A.while | B.as | C.after | D.when |